chapter 5 separation of substances case study question

Gurukul of Excellence

Classes for Physics, Chemistry and Mathematics by IITians

Join our Telegram Channel for Free PDF Download

Case Study Questions for Class 6 Science Chapter 5 Separation of Substances

Last modified on: 4 weeks ago
Reading Time: 8 Minutes

Table of Contents

[Download] Case Study Questions for Class 6 Science Chapter 5 Separation of Substances

Here we are providing case study or passage-based questions for class 6 science chapter 5 Separation of Substances.

Case Study/Passage Based Questions

You are asked to add two spoons of solid salt to some liquid water taken in a beaker. On stirring it you find that whole of the salt has disappeared and only liquid can be seen in beaker. 1. After stirring the salt completely disappears and you can see only liquid in the beaker. The liquid in beaker is (a) water (b) solution (c) solute (d) solvent 2 . Which of the following processes will be useful to get salt from this solution? (a) Condensation (b) Evaporation (c) Filtration (d) Sedimentation 3. Which process can you use to get liquid water from the water vapours if you collect them in another container? (a) Sedimentation (b) Condensation (c) Evaporation (d) Filtration

What is case study question for class 6 science.

Case study or passage-based questions in class 6 Science typically require students to read a given scenario or passage and answer questions based on the information provided. These questions assess students’ comprehension, analytical thinking, and application of scientific concepts. Here is an example of case study or passage-based questions for class 6 Science:

Passage: Rahul conducted an experiment to investigate how different liquids affect the rusting of iron nails. He placed four iron nails in four separate beakers containing water, vinegar, oil, and saltwater. After one week, he observed the nails and recorded his observations.

a) What is the purpose of Rahul’s experiment?

b) Compare and contrast the appearance of the iron nails in each beaker after one week.

Best Ways to Prepare for Case Study Questions

To develop a strong command on class 6 Science case study questions, you can follow these steps:

Read the textbook and study materials: Familiarize yourself with the concepts and topics covered in your class 6 Science curriculum. Read the textbook thoroughly and take notes on important information.
Practice analyzing case studies: Look for case studies or passages related to class 6 Science topics. Analyze the given information, identify key details, and understand the context of the situation.
Develop comprehension skills: Focus on improving your reading comprehension skills. Practice reading passages or articles and try to summarize the main points or extract relevant information. Pay attention to details, vocabulary, and the overall structure of the passage.
Understand scientific concepts: Ensure that you have a solid understanding of the scientific concepts discussed in class. Review the fundamental principles and theories related to each topic.
Make connections: Try to connect the information provided in the case study to the concepts you have learned in class. Identify any cause-effect relationships, patterns, or relevant scientific principles that apply to the situation.
Practice critical thinking: Develop your critical thinking skills by analyzing and evaluating the information given in the case study. Think logically, consider multiple perspectives, and draw conclusions based on the evidence provided.
Solve practice questions: Look for practice questions or sample case study questions specifically designed for class 6 Science. Solve these questions to apply your knowledge, practice your analytical skills, and familiarize yourself with the format of case study questions.
Seek clarification: If you come across any challenging concepts or have doubts, don’t hesitate to ask your teacher for clarification. Understanding the underlying principles will help you tackle case study questions effectively.

Download CBSE Books

Exam Special Series:

Sample Question Paper for CBSE Class 10 Science (for 2024)
Sample Question Paper for CBSE Class 10 Maths (for 2024)
CBSE Most Repeated Questions for Class 10 Science Board Exams
CBSE Important Diagram Based Questions Class 10 Physics Board Exams
CBSE Important Numericals Class 10 Physics Board Exams
CBSE Practical Based Questions for Class 10 Science Board Exams
CBSE Important “Differentiate Between” Based Questions Class 10 Social Science
Sample Question Papers for CBSE Class 12 Physics (for 2024)
Sample Question Papers for CBSE Class 12 Chemistry (for 2024)
Sample Question Papers for CBSE Class 12 Maths (for 2024)
Sample Question Papers for CBSE Class 12 Biology (for 2024)
CBSE Important Diagrams & Graphs Asked in Board Exams Class 12 Physics
Master Organic Conversions CBSE Class 12 Chemistry Board Exams
CBSE Important Numericals Class 12 Physics Board Exams
CBSE Important Definitions Class 12 Physics Board Exams
CBSE Important Laws & Principles Class 12 Physics Board Exams
10 Years CBSE Class 12 Chemistry Previous Year-Wise Solved Papers (2023-2024)
10 Years CBSE Class 12 Physics Previous Year-Wise Solved Papers (2023-2024)
10 Years CBSE Class 12 Maths Previous Year-Wise Solved Papers (2023-2024)
10 Years CBSE Class 12 Biology Previous Year-Wise Solved Papers (2023-2024)
ICSE Important Numericals Class 10 Physics BOARD Exams (215 Numericals)
ICSE Important Figure Based Questions Class 10 Physics BOARD Exams (230 Questions)
ICSE Mole Concept and Stoichiometry Numericals Class 10 Chemistry (65 Numericals)
ICSE Reasoning Based Questions Class 10 Chemistry BOARD Exams (150 Qs)
ICSE Important Functions and Locations Based Questions Class 10 Biology
ICSE Reasoning Based Questions Class 10 Biology BOARD Exams (100 Qs)

✨ Join our Online JEE Test Series for 499/- Only (Web + App) for 1 Year

✨ Join our Online NEET Test Series for 499/- Only for 1 Year

Discover more from Gurukul of Excellence

Subscribe now to keep reading and get access to the full archive.

Type your email…

Talk to our experts

1800-120-456-456

Separation of Substances Class 6 Notes CBSE Science Chapter 5 (Free PDF Download)
Revision Notes

Revision Notes for CBSE Class 6 Science Chapter 5 - Free PDF Download

CBSE Class 6 Science Notes Chapter 5 are now available online with Vedantu in PDF format to ensure complete exam preparation. Our standard Class 6 Notes in Science on Separation of Substances are compiled by subject experts having years of experience in this field. Such Separation of Substances Class 6 Notes consists of step-by-step chapter explanation as well as short-cut techniques are provided. Apart from Class 6 Science Chapter 5 Notes, we offer revision materials for all subjects that are deemed crucial for your forthcoming exams

Every NCERT Solution is provided to make the study simple and interesting on Vedantu. You can also download NCERT Solutions for Class 6 Maths to help you to revise complete syllabus and score more marks in your examinations.

Download CBSE Class 6 Science Revision Notes 2023-24 PDF

Also, check CBSE Class 6 Science revision notes for All chapters:

Access Class 6 Science Chapter 5 - Separation of Substances

A substance is a piece of matter with certain features and characteristics.

Substances characterised into two types as Pure substance and Impure substance.

Pure Substance:

Many of the substances we come into contact with only have one type of component particle.

Pure substances are elements and compounds.

Iron, copper, water, salt, and other pure substances are examples.

Impure Substance:

Impure substances are those that have multiple types of component particles.

Pond water, milk, and other unclean substances are examples.

Impurities:

Impurities are undesired particles in a substance that cause it to be impure.

Element is a substance made up of the same material's identical particles.

Compound is a substance created by the chemical reaction of two or more elements in a specific ratio.

Mixtures are substances that have more than one component blended in any ratio.

Air, for example, is made up of a variety of gases such as nitrogen, oxygen, carbon dioxide, dust particles, and so on.

A mixture of two or more components is referred to as a solution.

The solvent is the material with the highest concentration, whereas the solute is the substance with the lowest concentration.

Pure substances are elements and compounds.

Need for Separating Component of a Mixture:

Separation of the components of a mixture or an impure substance for the purposes of:

To get rid of something that isn't beneficial or dangerous.

Obtaining the required component.

To get a pure sample, contaminants must be removed.

Methods of Separation:

The properties of the components in a mixture, such as particle size, density, melting point, boiling temperature, volatility, and so on, remain unchanged.

To separate the components of a mixture, use the differences in any one of these qualities.

The following methods are used for separation, these are as follows;

Threshing

Winnowing

Handpicking

Sieving

Magnetic Separation

Floating and Sinking Method

Sedimentation and Decantation

Filtration

Separation to Immiscible Liquids

Churning to Separate Cream from Milk

Sublimation

From above Threshing, Winnowing, Handpicking, Sieving and Magnetic Separation methods are used to separate the solid from other solids.

Evaporation and Condensation methods are used to separate water soluble solids or soluble solute in the solvent.

Sedimentation, Decantation, Loading and Filtration methods are used to separate insoluble solids from liquids.

Funnel, Centrifugation and Churning methods are used for separation of immiscible liquids.

Floating and Sinking Method and Sublimation methods are used for removing a non-soluble solute from a solvent.

Separation of Solid From Other Solids:

Threshing is the process of separating grain from husk.

The grains must be separated from the stalks once these crops have been harvested or cut (the dried stems). Threshing is used to accomplish this.

It can be done by hand or with the use of equipment.

Threshing is done manually by grasping a pile of grain and pounding it against a rock or a hard surface.

This loosens the grain and separates it from the stalk.

Bullocks are sometimes used to crush the gathered stalks during threshing.

Threshing can also be done with the assistance of machinery such as the combine harvester.

Seed coverings and small fragments of leaves or stem may still be present in threshed grains (collectively called chaff). Winnowing is used to separate them.

Wind or blowing air is used to separate heavier and lighter components of a combination.

Winnowing is the process used to separate chaff from grain with the help of wind or blowing air.

The farmer places the mixture of chaff and grain in a winnowing basket and stands at a higher level, letting the mixture fall to the ground.

The grain falls practically vertically because it is heavier, whereas the lighter chaff is swept away by the wind and forms a distinct mound from the grain.

Cattle feed is made from the separated chaff.

The direction of the wind is very important factor in the process of winnowing.

Hand-Picking:

Unwanted components are simply picked up by hand in this process.

When the quantity of the combination is tiny, the undesired component is present in lesser quantities, and the size, form, or colour of the unwanted substance differs from that of the useful one, this hand-picking approach is preferable.

The procedure for separating solid parts of a mixture of varying sizes.

The smaller component (stones or husk) passes through the sieve's pores, while the larger component (stones or husk) is left behind. Some people use this approach to remove wheat bran (larger particles) from flour in their homes.

At construction sites, sieving is also used to remove pebbles and stones from sand. The fine sand particles flow through the holes of the sieve, while the stones and pebbles in the combination remain in the sieve.

A sieve is a device having numerous small holes through which smaller particles can pass.

Magnetic Separation:

When a magnet is passed over a magnetic mixture, the magnetic material adheres to it and is removed.

Separation of Water Soluble Particles or Soluble in Solvent Solutes:

Evaporation:

The process of converting a liquid condition to a gaseous state when heated.

Condensation:

On cooling, the process of converting a gaseous state to a liquid state.

Separation of Insoluble Solids From Liquids:

Sedimentation:

Sedimentation is the process of heavier and insoluble components of a mixture sinking down.

Sand and water are two examples.

Decantation:

Decantation is the technique of conveying clean liquid without disturbing the sediment.

The methods for causing finer particles to settle more quickly by dissolving a little amount of alum.

Filtration:

Impurities are passed through a filter in this process. The pores of the filter enable only liquids to flow through, and it may separate suspended particles and solid particles.

The clear liquid recovered is referred to as filtrate, whereas the stuff left on the filter paper is referred to as residue.

Separation of Immiscible Liquids:

In this process, the separation of an insoluble material from a liquid will be done by passing the mixture through a filtering apparatus.

It is used to separate oil and water mixtures.

Centrifugation:

A centrifuge is used to spin a liquid containing suspended particles at a high speed, causing heavier particles to settle down.

It's used to separate milk from cream.

This approach is used to separate lighter solid particles suspended in a liquid.

Butter made from curd is an example.

Separating Solute not Soluble in a Solvent:

Flotation and sinking methods:

This method is employed when one of the components of a mixture is lighter than water and the other is heavier than water and the components are not soluble in water.

Sublimation:

Sublimation is the process of converting a solid to a vapour without first becoming a liquid.

Husk and stones might be extracted from grains by handpicking.

Winnowing separates the husk from the heavier grain seeds.

A saturated solution is one in which no more of a substance can be dissolved.

A solution can be heated to dissolve more of a substance.

Different amounts of soluble compounds dissolve in water.

Class 6 Chapter 5 Science Notes Separation of Substances – Chapter Overview

Science, as a subject is an inevitable addition in the CBSE curriculum of students because it enhances and promotes them with the knowledge how the functioning of everything around us is due to the implementation of various properties of Science.

Similarly, in Separation of Substances Class 6 Notes, students will be able to learn about the fundamental concepts of substances and pure substances, and through which way these elements can be separated if amalgamated in a mixture.

Sound knowledge on these topics at the formative stage will help students to build a stronghold over the subject.

Students can easily lay their hands on our subject, and chapter-specific revision notes, as it comes with a download option. For rounding off their last-minute revision before approaching to their exam hall, students can safely refer to our revision notes and clear the air of vagueness if any.

These standard study sets are curated, keeping in mind the need of students to have access to quality study materials where they can have the maximum retention of chapters. Our Class 6 Notes in Science on Separation of Substances are available online in a PDF format with thus making it easy for everyone to avail it anytime and anywhere.

Class 6 Chapter 5 Science Notes – Pure Substances

In our Class 6 Chapter 5 Science Notes, students will be able to gain a fundamental concept of the most crucial topic of this chapter that is pure substances. According to the clarification stated by our subject experts, it is a substance that contains only pure particles.

Gain access to more such lucid explanation of topics and amp your exam confidence with our Class 6 Notes in Science on Separation of Substances this exam season. Considering that our team of subject experts has drafted such study notes, they are potent enough to fetch subject-best scores!

Class 6 Notes in Science on Separation of Substances – Impure Substances

According to our Class 6 Notes in Science on Separation of Substances, impure substances are those which contains more than one particles separated by their shape colour, size and characteristics.

NCERT Class 6 Science Chapter 5 Notes - Element

Our subject experts in our NCERT Class 6 Science Chapter 5 Notes have put forth the definition of an element in a highly decipherable way, suitable for children of standard six. It states that elements are substances that are made from identical particles of one material.

Refer to our Class 6 Notes in Science on Separation of Substances for gaining comprehensive knowledge about the topic of elements. Subsequently, attain expertise to handle all sorts of questions centred on this topic.

Class 6 Separation of Substances Notes - Compound

A compound is a substance formed as a result of a chemical combination of two or more elements in a fixed ratio. Students can’t receive a substantial knowledge on this topic from our Class 6 Separation of Substances Notes and achieve a clear perspective on this notion.

Class 6 Science Notes – Need For Separating Component of a Mixture

By following our Class 6 Science Notes, students will learn about the need for separating component of a mixture. The causes are listed below:

Removing harmful or unwanted components

Obtaining a useful component in pure form

Separation of Substances Notes – Methods of Separation

In this section of Separation of Substances Notes, students will learn about the different methods of separation. The lists of the techniques are enumerated below:

Hand-picking

Magnetic separation

Floating and sinking method

Sedimentation and decantation

Students can follow our Class 6 Notes in Science on Separation of Substances to get an elaborative idea about the above-mentioned methods.

Class 6 Science Chapter 5 – Separation of Solids from Other Solids

In this section of Class 6 Science Chapter 5, students will be learning about the various procedures incorporated in the machinery and factories for accomplishing the task of separating solids from the clump of other solids. Given below is the list of several methods taken into account while separating a solid from a solid:

Threshing – The process of removal of grain from husks and chaff is called threshing.

Winnowing – In this process, the heavier and lighter components are separated from each other after the wind blows them off.

Hand-picking – This is a process where the unwanted foreign solid particles are removed by using hands.

Sieving – A sieve is a device that has numerous pores in it, for separating solid constituents of a mixture that are different in sizes.

Our Class 6 Notes in Science on Separation of Substances consists of examples associated with this above-mentioned procedure. It ensures a better understanding of the process for our students.

Separation of Substances Class 6 Notes NCERT – Separation of Insoluble Solids from Liquids

The method of separation of insoluble solids from liquids can be achieved in many ways. Some of them are discussed below:

Sedimentation – It is the practice of settling down heavier and un-dissolvable component from a mixture.

Decantation – It is the process of transferring clean liquid without disturbing the sediment, is called decantation.

Loading - This includes the process of dissolving finer particles in a mixture by adding a small portion of alum in the mixture

Filtration – This process involves the passing of impurities through a filter. These filters have pores which only allow the liquid constituent to pass through. This method can separate suspended particles or solid particles as well.

All the above-mentioned procedures are further elucidated in our Separation of Substances Class 6 Notes NCERT, which students can download from our offline portal and go through the revision notes even when offline.

6th Standard Science Notes – Separating Solute in a Solvent

Separating of solute in a solvent is a crucial mechanism as it occurs when the components are not soluble in water, and one of the elements of a mixture is lighter than water, while the other component is relatively more substantial. Students to give an accurate answer to questions related to this topic, have to peruse the chapter thoroughly without missing the minute details.

Alternatively, to cut off this effort of minute reading students can refer to our 6th Standard Science Notes, and gain access to a comprehensive study material where topics are described broadly, further established with real-life examples.

Chapter 5 Science Class 6 Notes - Sublimation

It is a phenomenon that results in changing of a solid form directly into the state of vapour, without turning into the intermediate liquid state. Sublimation too is a method of separating solute in a solvent.

Few examples cited in our Class 6 Science Notes PDF are mentioned below:

Removal of husks from stones by the simple method hand-picking

Husks from grains can be further removed by employing the process of winnowing.

Students will be able to learn the basics of this chapter comprehensively by referring to our Class 6 Science Chapter 5 Notes and achieve a wholesome exam preparation.

Vedantu – Your Trusted Learning Ally

Vedantu’s revision notes are a comprehensive study aid for students who are still strutting with complex topics of the chapter. We offer online study material for all subjects to help students achieve a foundation cemented with clear ideas and perspective on the chapter content.

Our Class 6 Notes in Science on Separation of Substances are curated with utmost precision by our subject experts to offer students with more straightforward and short-cut techniques required to decipher theories and properties of the chapter without any conundrum.

Make the most of your time and live an unmatched digital learning experience with Vedantu where learning is fun and no longer arduous.

Conclusion

The Class 6 CBSE Science Chapter 5, "Separation of Substances," along with its freely available PDF notes, serves as an indispensable educational asset. These notes demystify the intricate world of separating substances, offering a simplified and structured approach for young learners. They empower students with essential scientific knowledge, fostering an understanding of various separation techniques and their real-world applications. Beyond academics, these notes promote critical thinking, problem-solving skills, and logical reasoning, qualities invaluable for lifelong learning. The availability of these free PDF notes ensures accessibility, democratizing education for all. In essence, these notes contribute to a comprehensive understanding of science, making the subject more engaging and relevant for students.

FAQs on Separation of Substances Class 6 Notes CBSE Science Chapter 5 (Free PDF Download)

1. Give an overview of Chapter 5 of Class 6 Science.

Chapter 5 of Class 6 Science is “Separation of Substances”. This chapter talks about the separation of substances. A majority of substances are a mixture of two or more substances. Separation of substances enables us to separate the various substances that make up a solution. The chapter describes different kinds of methods that can be employed to separate substances depending on the nature of the materials involved. The chapters introduce you to the terms for the various processes that you come across almost daily.

2. What is the separation of substance?

Separation of a substance helps you to remove various impurities from the solution. It also allows you to remove from a solution any material that you do not need. Often, substances also include harmful material that you need to remove so that it is safe to consume. Separation also enables you to separate various materials which then can be used separately. Some of the separation methods are handpicking, sedimentation and sieving. To revise the chapter students can download the NCERT Notes for Class 6 Science Chapter 5 free of cost from the vedantu website (vedantu.com).

3. What is the basis of separation of components of mixture Class 6 Science Chapter 5?

The first step that you have to keep in mind is the nature of the substance that you want to separate into its various constituents. If a substance is visible and can be separated easily, you can use the method of handpicking. But if the substance is too small that it is not visible by naked eyes and the solution is liquid, you can use the method of filtration. If the substance consists of materials that differ in weight, the method that can be used is winnowing. To know more about it, students can download the vedantu app.

4. Why do we separate substances into groups?

Separating the substances into various groups helps us to understand which method of separation will be effective and which method will not work. Considering the nature of the substance one has to select one or more methods to separate it. The separation of substances into different categories enables us to remove the unwanted materials, harmful impurities from the solution. Choosing the right method of separation is dependent on the nature of the constituents of the substance.

5. How to separate mud from water?

The mud in the water usually remains in suspension. Mud is an example of impurity and unwanted material that you have to remove from the water so that it can be consumed. To separate the mud from the water let the water be still. This will allow the mud to settle at the bottom of the container and the clean water will occupy the upper layer. Make sure not to disturb the water. You can remove the water carefully in another container.

NCERT Solutions

Study materials for class 6.

NCERT Solutions for Class 6 Science Chapter 5 Separation of Substances

In this article, we have provided the best NCERT Solutions for CBSE Class 6 Science Chapter 5 Separation of Substances. Class 6 Science Chapter 5 textbook questions and answers help students to clear their doubts and to obtain good marks in Class 6 final exam. All the solutions provided in this article are strictly based on the CBSE syllabus and curriculum.

The Class 6 NCERT Solutions for Science Chapter 5 includes all the intext and exercise questions. Al these questions are solved by experts with a detailed explanation that will help students complete their assignments & homework. Having a good grasp over CBSE NCERT Solutions for Class 6 Science will further help the students in their preparation for board exams and other competitive exams.

Class 6 Science Chapter 5 Textbook Questions and Answers

Question 1: Why do we need to separate different components of a mixture? Give two examples.

Answer: Before using a substance, we need to separate harmful or non-useful substances that may be mixed with it. Sometimes, we separate even useful components if we need to use them separately.

For example: (a) After preparing tea, we strain it to remove the used tea leaves from tea. (b) Pebbles are separated form rice and pulse before cooking.

Question 2: What is winnowing? Where is it used?

Answer: Winnowing is the method of separating components of a mixture containing heavier and lighter components by wind or by blowing air. It is used to separate husk particles from seeds of grain.

Question 3: How will you separate husk or dirt particles from a given sample of pulses before Cooking?

Answer: Husk or dirt particles can be separated by winnowing method.

Question 4: What is sieving? Where is it used?

Sieving is used in flour mills to separate broken particles of grains from flour. It is also used at construction sites to separate lumps, smaller stones from the mixture of sand and cement.

Question 5: How will you separate sand and water from their mixture?

Answer: Sand and water can be separated by any of the following two methods:

(a) Sedimentation and decantation: Mixture is kept undisturbed for some time. After some time, sand being heavier and insoluble in water, settles down at the bottom of container. Now, water is poured into another container to separate it from sand.

(b) Filtration: Mixture of sand and water is passed through a filter paper (a filter with very fine pores). Sand particles being larger in size are retained by the filter paper and get separated from water.

Question 6: Is it possible to separate sugar mixed with wheat flour? If yes, how will you do it.

Answer: Yes. Through sieving we can separate sugar mixed with wheat flour. Sugar particles being larger in size are retained by the sieve whereas wheat flour will pass through it.

Question 7: How would you obtain clear water from a sample of muddy water?

Answer: Clear water can be obtained from a sample of muddy water by the method of filtration. In this method, the sample of muddy water is poured through a cloth having fine pores or through a filter paper. Water will pass through the filtering medium, leaving behind the mud.

Question 8: Fill up the blanks

(a) The method of separating seeds of paddy from its stalks is called _______.

(b) When milk, cooled after boiling, is poured onto a piece of cloth the cream (malai) is left behind on it. This process of separating cream from milk is an example of _______.

(d) Impurities settled at the bottom when muddy water was kept overnight in a bucket. The clear water was then poured off from the top. The process of separation used in this example is called ________.

Answer: (a) Threshing (b) Filtration (b) Evaporation (d) Decantation

Question 9: True or false?

(a) A mixture of milk and water can be separated by filtration.

(b) A mixture of powdered salt and sugar can be separated by the process of winnowing.

(d) Grain and husk can be separated with the process of decantation.

Answer: (a) False: Filtration is used for the separation of solid components of the mixture from the liquid. But here both the components are liquids.

(b) False: Winnowing is used to separate heavier particles from the lighter particles which can be blown away by wind. But here both sand and sugar are heavy particles.

(d) False: Decantation is used to separate insoluble solid components form the liquid component.

Question 10: Lemonade is prepared by mixing lemon juice and sugar in water. You wish to add ice to cool it. Should you add ice to the lemonade before or after dissolving sugar? In which case would it be possible to dissolve more sugar?

Answer: We should add sugar before adding ice. Sugar dissolves in warm water more quickly than in cold water. We can dissolve more sugar before mixing ice in water.

Extra Questions

Short Type Questions and Answers

Question 1. When is handpicking used?

Answer: Handpicking is used to separate undesirable component when present in small amount.

Question 2. What is threshing? How is it done?

Answer: The process that is used to separate the grain from stalks is threshing. In this process, the stalks are beaten to free the grain seeds. Sometimes, threshing is done with the help of bullocks. Machines are also used to thresh large quantities of grain.

Question 3. Which type of separation is used in cashew nut factories?

Answer: Sieving.

Question 4. Give one example of sieving used in everyday life.

Answer: Separation of barn (choker) from flour.

Question 5. Name some materials that are used as filters.

Answer: Cotton, ceramic, filter cloth, filter paper.

Question 6. Name the process of separating two immiscible liquids.

Answer: By using separating funnel or by decantation.

Question 7. Which substance is used for loading?

Answer: Alum (phitkari).

Question 8. What is the use of alum in loading?

Answer: Alum is used to make the sedimentation faster. Bv adding alum the clay particles settle down rapidly.

Question 9. Which process is used to separate bacteria from water?

Answer: Filtration, by using special filters, i.e., bacteria proof filter.

Question 10. What is decantation?

Answer: Decantation is a process of separating insoluble solids from liquids. A suspension of solid particles in liquid is allowed to stand for some time. Solid particles settle down at the bottom, due to their weight.

Question 11. What is the use of decantation?

Answer: Decantation is used to separate insoluble solids from liquids. Two immiscible liquids are also separated by this process.

Question 12. What is the drawback of evaporation?

Answer: The liquid in the mixture is evaporated off into the air and is not recovered.

Question 13. Name the process to obtain salt from seawater.

Answer: Evaporation.

Question 14. Which types of mixtures are separated by evaporation?

Answer: Evaporation is used to separate solids dissolved in liquid.

Question 15. Describe the method to obtain pure salt from rock salt.

Answer: First, the mixture is crushed and grinded. Water is then added and filtered. Pure salt is collected as filtrate which is heated for evaporation. Water evaporates off and pure salt is left.

Question 16. How will you separate pure water from a solution of salt in water?

Answer: We can separate pure water from a solution of salt in water, by the process of distillation that is by evaporation and followed by condensation.

Question 17. Write opposite process of condensation.

Question 18. What do you mean by solubility?

Answer: The maximum mass of a solute that can be dissolved in 100 g of the solvent at any specific temperature is called solubility.

Question 19. Why is water a universal solvent?

Answer: Water can dissolve different kinds of substances. That is why water is commonly called as a universal solvent.

Question 20. What is the effect of temperature on solubility?

Answer: Solubility increases when the increase in temperature takes place.

Question 21. Differentiate between saturated and unsaturated solutions.

Answer: Saturated solution: A solution in which no more solute can be dissolved at a given temperature. Unsaturated solution: A solution in which more solute can be dissolved at any temperature.

Question 22. During centrifugation, which particles settle down at the bottom?

Answer: Heavy particles settle down at the bottom and lighter particles float at the top of the liquid.

Question 23. Name the method by which you can separate butter from milk.

Answer: Centrifugation.

Question 24. Name the device by which cream can be separated from milk at home.

Answer: A mixer-grinder is the very important device by which cream can be separated from milk.

Question 25. Why does visibility increase after rains?

Answer: After rains, the objects at a distance are seen more clearly, because the fine dust particles that were present in air settle down due to loading by rain drops.

Question 26. What is strainer?

Answer: Wire mesh is commonly known as strainer. For example, while preparing tea, we separate tea leaves from water by using a filter such as wire mesh. Tea leaves are bigger in size than the holes of the mesh.

Long Type Questions and Answers

Question 1. Name the property of the components used for separating the following mixtures:

salt and camphor
wheat and husk
iron fillings and saw-dust
coconut oil and water.
sublimation
magnetic separation
separating funnel.

Question 2. Mention the methods that can be used for the separation of the following mixtures:

wheat, sugar and husk
rice, gram and iron fillings
sand, Mack gram (urad) and husk.

Answer: 1. Mixture of wheat, sugar and husk.

For separating husk from the mixture, we should follow the winnowing method as husk is lighter than other two components.
Wheat and sugar can be separated by sieving as they have different sizes.

2. Mixture of rice, gram and iron fillings.

For separating iron fillings, we can use a magnet.
Rice and gram can be separated either by sieving or by handpicking.

3. Sand, black gram (urad) and husk.

For separating sand from the mixture, we can sieve the mixture.
Black gram (urad) and husk can be separated by the method of winnowing.

Question 3. Write various methods of separation of compounds from their mixture.

Handpicking
Sedimentation
Decantation
Evaporation
Condensation.

Question 4. How will you Separate a mixture of common salt and chalk powder?

Answer: We know that common salt is soluble in water while chalk is sparingly, soluble. So, on the basis of different solubility, we can separate the common salt and chalk powder as follows:

First, some water is mixed with the mixture of common salt and chalk powder, stir the solution well. Filter the solution by using filter paper. On filtering, chalk powder is obtained as a residue on the filter paper and salt solution is obtained.
Now filtrate is evaporated and dry common salt is left behind.

Question 5. Match the following items given in Column A with that in Column B:

Question 6. What is filtration?

Answer: The process by which insoluble substance can be separated from a solution, by passing that solution through a porous paper (filter paper) is called filtration.

When one component of a mixture is soluble in water and other component is insoluble in water, the soluble component gets dissolved and insoluble one is separated by filtering the solution.

During filtration, the solid insoluble substance is retained at the filter paper as residue while the liquid free from any suspended matter passes through the filter paper and is collected as filtrate.

Question 7. How is common salt obtained from seawater?

Answer: When seawater is allowed to evaporate in shallow pits, water gets heated by sunlight and changes into water vapour by the process of evaporation leaving behind impure solid salts. Now, the lumps of impure common salt are crushed to get powdered salt. The powdered common salt is dissolved in water to prepare a solution. Now the solution of common salt is filtered to remove insoluble impurities. The clear solution is evaporated by heating to remove the water content to obtain a concentrated solution of common salt. The hot and concentrated solution is allowed to cool. On cooling, crystallization takes place and crystals of pure common salt are obtained.

Question 8. What is the importance of centrifugation? How is it done?

Answer: Centrifugation is the process of separating suspended particles from a liquid by rotating the liquid at a high speed. The mixture is taken in a closed bottle and rotated at a high speed. The heavy particles settle at the bottom while light particles remain behind. This method is also used to separate cream from milk. Cream collects at the centre and being lighter than milk, it floats at the top of the mixture.

Separation of Substances Class 6 Questions and Answers

Home » CBSE » Separation of Substances Class 6 Questions and Answers

chapter 5 separation of substances case study question

CBSE Important Questions
Important Questions Class 6
CBSE Previous Year Question Papers
CBSE Revision Notes
CBSE Syllabus
CBSE Extra Questions
CBSE Sample Papers
ISC & ICSE Syllabus
ICSE Syllabus Class 9
ICSE Syllabus Class 8
ICSE Syllabus Class 7
ICSE Syllabus Class 6
ICSE Syllabus Class 10
ICSE Question Paper
ICSE Sample Question Papers
ISC Sample Question Papers For Class 12
ISC Sample Question Papers For Class 11
ICSE Sample Question Papers For Class 10
ICSE Sample Question Papers For Class 9
ICSE Sample Question Papers For Class 8
ICSE Sample Question Papers For Class 7
ICSE Sample Question Papers For Class 6
ICSE Revision Notes
ICSE Important Questions
ISC Important Questions For Class 12
ISC Important Questions For Class 11
ICSE Important Questions For Class 10
ICSE Important Questions For Class 9
ICSE Important Questions For Class 8
ICSE Important Questions For Class 7
ICSE Important Questions For Class 6
Maharashtra board
Rajasthan-Board
Andhrapradesh Board
AP Board syllabus
Telangana Board
Tamilnadu Board
Tamilnadu Sample Question Paper
Tamilnadu Syllabus
Tamilnadu Previous Year Question Paper
NCERT Solutions Class 12
NCERT Solutions Class 10
NCERT Solutions Class 11
NCERT Solutions Class 9
NCERT Solutions Class 8
NCERT Solutions Class 7
NCERT Solutions Class 6
NCERT Solutions Class 5
NCERT Solutions Class 4
NCERT Solutions Class 3
NCERT Solutions Class 2
NCERT Solutions Class 1
JEE Main Question Papers
JEE Main Syllabus
JEE Main Questions
JEE Main Revision Notes
JEE Advanced Question Papers
JEE Advanced Syllabus
JEE Advanced Questions
JEE Advanced Sample Papers
NEET Question Papers
Neet 2021 Question Paper
Neet 2020 Question Paper
Neet 2019 Question Paper
Neet 2018 Question Paper
Neet 2017 Question Paper
Neet 2016 Question Paper
Neet 2015 Question Paper
NEET Syllabus

Science is the process of acquiring new knowledge through observation and experimentation. Science always leads to new discoveries, which leads to more questions, new mysteries and something else that needs explaining. It can help us to understand ourselves and our world to recognise how it works and where we fit within it.

Quick Links

Separation of Substances is the fifth chapter in the Class 6 Science syllabus. This lesson deals with the reasons for separating substances and methods of separation. Separation of substances should be done to remove impurities or to get two or more useful products. There are various methods for separating substances, such as threshing, handpicking, winnowing, sieving, sedimentation, decantation, filtration, evaporation, etc. You will learn all these methods in Class 6 Science Chapter 5.

Extramarks platform serves as a one-stop solution to enhance learning for students from Class 1 to Class 12. It lets you deepen your knowledge in a specific field. Extramarks also help you master new skills and learn new concepts.

Our experienced teaching faculty has developed the most reliable study and practice materials such as NCERT solutions, CBSE revision notes , CBSE sample papers and more to help students grasp all the concepts of the chapter easily.

The Extramarks team understands the importance of students revising the chapter by solving questions. Hence, our team of Science teachers have prepared a comprehensive list of Class 6 Science Chapter 5 Important Questions taken from the NCERT textbook, NCERT exemplars, CBSE past years’ question papers, and other reference books, etc., for students to help revise the topics thoroughly and score well in the examination.

Students can register with Extramarks and access our question bank of Important Questions Class 6 Science Chapter 5.

Important Questions Class 6 Science Chapter 5 – With Solutions

Students are constantly advised to solve important questions for each chapter to understand the concepts better. Extramarks’ Important Questions Class 6 Science Chapter 5 have been made keeping in mind all the requirements of students. Extramarks important questions make students ready for their examination.

Mentioned below are a few questions and their solutions from our Important Questions Class 6 Science Chapter 5.

Question 1. What is winnowing? Where is it used?

Answer 1: Winnowing is the process of using wind or air blowing to separate heavier and lighter components of a mixture. Farmers use this method to separate lighter grain husk fragments from heavier grain seeds.

Question 2. How will you separate sand and water from their mixture?

Answer 2: Sand and water will be separated using the decantation and sedimentation methods. First, we leave this mixture for some time. The heavier sand eventually settles to the bottom after some time. The mixture will separate once we pour water into another container.

Question 3. Fill in the blanks:

(a) Impurities settled at the bottom when muddy water was kept overnight in a bucket. The clear water was then poured off from the top. The process of separation used in this example is called ____________.

(b) The process of obtaining salt from sea water is called

____________ .

(c) When milk, cooled after boiling, is poured onto a piece of cloth, the cream (malai) is left behind. This process of segregating cream from milk is an example of ______.

(d) The method of separating seeds of paddy from its stalks is called ____________.

(a) sedimentation and decantation

(b) evaporation

(d) threshing

Question 4. Name the process by which we get salt from ocean water.

Answer 4: Evaporation is the process by which we get salt from ocean water.

Question 5. What is Sieving? Where can it be used?

Answer 5: Fine particles are separated from larger particles during the sieving process using a sieve. It is utilised on building sites or in grain mills. Wheat contaminants like husks and stones are eliminated in the flour mill. Sand is sieved to remove stones and pebbles.

Question 6. A mixture of iron nails, salt, oil and water is provided to you. Give stepwise methods to separate each component from this mixture.

Answer 6: A mixture of iron nails, salt, oil and water can be separated by the following steps:

Iron nails can be picked out by hand or using a magnet.
By using a separating funnel or decantation, remove the oil.
Using evaporation, evaporate the salt and water mixture. Salt is left behind when water is condensed again.

Question 7. What is centrifugation?

Answer 7: Centrifugation is the process of separating a mixture through spinning. Skim milk from whole milk, water from your clothes, and blood cells from your blood plasma are separated using it.

Question 8. Name and describe briefly a method which can help separate a mixture of husk from grains. What is the principle of this method?

Answer 8: Winnowing is a method for removing the husk from grains. The lighter husk gets carried away by air and falls to the earth when the mixture is allowed to fall from a height. This technique is based on the idea that the wind will carry lighter particles away in a mixture of different weighted components.

Question 9. What is a strainer?

Answer 9: A strainer is an object with holes through which a liquid is poured to separate the liquid from any particles.

Question 10. Name the process used to separate cream from curd.

Answer 10: Centrifugation is the process used to separate cream from curd.

Question 11. In the activity, a teacher dissolved a small amount of solid copper sulphate in a tumbler half filled with water. Which method would you use to get back solid copper sulphate from the solution?

(a) Decantation

(b) Evaporation

(d) Condensation

Answer 11: (b) Evaporation

Explanation : Water evaporates during the evaporation of the copper sulphate solution, leaving solid copper sulphate behind.

Question 12. List some materials that are used as filters.

Answer 12:

Filter paper
Muslin cloth

Question 13. Define the term handpicking.

Answer 13: Handpicking is the method of manually removing slightly larger particles from a mixture. For instance, handpicking can be used to separate stone fragments from grains of rice or wheat.

Question 14. Paheli bought some vegetables such as french beans, lady’s finger, green chillies, brinjals and potatoes, all mixed in a bag.

Which of the following methods of separation would be most appropriate for her to separate them?

(a) Winnowing

(b) Sieving

(d) Hand picking

Answer 14: (d) Hand picking

Explanation : Due to their large size, handpicking is the preferred way for separating the vegetables.

Question 15. What is the use of decantation?

Answer 15: Decantation is used to separate insoluble solids or liquids from the liquid.

Question 16. Elaborate on the process of filtration.

Answer 16: The filtering process involves removing an insoluble material from a liquid using a filtering medium, such as filter paper, cloth, a strainer, etc. The liquid free of suspended debris flows through the filter paper and is collected as filtrate. At the same time, the solid, insoluble substance is held on the filter paper as residue. The steps of evaporation and crystallisation can separate some soluble infiltration components.

Question 17. Four mixtures are given below.

(i) Kidney beans and chickpeas

(ii) Pulses and rice

(iii) Potato wafers and biscuits

(iv) Rice flakes and corn

Which of the following can be separated by the method of winnowing?

(a) (i) and (ii)

(b) (ii) and (iii)

(d) (iii) and (iv)

Answer 17: (d) (iii) and (iv)

Explanation : Mixtures of rice flakes and corn and potato wafers and biscuits can be separated by winnowing because there is a difference in the weight of the two components, one being lighter and the other being heavier.

Benefits of Solving Important Questions Class 6 Science Chapter 5

Students need to practice more and more questions to improve their marks in the Science exam. The more they practise, the better they will write answers and also increase their understanding of different Science topics. Our expert faculty members at Extramarks identify the key factor in scoring better marks in exams. That’s why they have prepared this question series that can provide students with a wide range of questions. They have also written step-by-step explanations with detailed answers to the questions.

There will be multiple benefits if students solve the Important Questions Class 6 Science Chapter 5 for their exams. Some of these are given below:

Our question bank helps you to know the paper pattern, which is very important to save time during your examination. When you solve more questions, you tend to improve your speed, boosting your score.
Solving Science Class 6 Chapter 5 important questions lets you know your weaknesses and strengths. Then it would help if you worked more towards your weaknesses.
Solving Chapter 5 Class 6 Science Important Questions aids in the proper management of time. Solving as many papers as possible aids in strengthening one’s grip on the subject. This keeps one well abreast with solving different questions in the least time without worrying about losing marks or leaving any questions unattempted.

Extramarks provide learning solutions and important questions for students from Class 1 to Class 12. We have abundant resources available on our website. Students can click on the links given below to access some of these resources:

NCERT books
CBSE syllabus
CBSE sample papers
CBSE previous year’s question papers
Important formulas
CBSE extra questions
Click to share on Facebook (Opens in new window)
Click to share on Twitter (Opens in new window)
Click to share on LinkedIn (Opens in new window)
Click to share on WhatsApp (Opens in new window)

Q.1 Identify the correct match.

i-c, ii-d, iii-b, iv-a

i-a, ii-b, iii-c, iv-d

i-b, ii-c, iii-d, iv-a

i-d, ii-c, iii-b, iv-a

Please register to view this section

Chapter 1 - food: where does it come from.

Chapter 2 - Components of Food

Chapter 3 - fibre to fabric, chapter 4 - sorting materials into groups, chapter 6 - changes around us, chapter 7 - getting to know plants, chapter 8 - body movements, chapter 9 - the living organisms and their surroundings, chapter 10 - motion and measurement of distances, chapter 11 - light, shadows and reflections, chapter 12 - electricity and circuits, chapter 13 - fun with magnets, chapter 14 - water, chapter 15 - air around us, chapter 16 - garbage in, garbage out, faqs (frequently asked questions), 1. why is it important to separate substances.

We can remove unwanted particles and harmful substances with the help of separation. We can obtain specific sizes, weights and, most importantly, active constituents from substances with the aid of separation. We can obtain a substance in its pure form. We can extract a particular substance from the mixture.

2. How do Extramarks important questions Class 6 Science Chapter 5 help students prepare for the examination?

Practising Extramarks important questions Class 6 Science Chapter 5 gives you a good understanding of your endurance. It helps to ease anxiety and bridge the gaps in course content. Many of you will get nervous when you don’t know what is coming or what might happen. Practising Extramarks important questions Class 6 Science Chapter 5 helps alleviate some anxiety because it helps you understand what you will face on the test day.

3. Where will we use substance separation?

A lot of important industries in the world today are based on separation processes. In pharmaceutical companies, separation is the most important process. It is also used in wastewater treatment. It is used in the field of biotechnology and biochemistry too.

CBSE Related Links

Fill this form to view question paper

Otp verification.

MCQ Questions for Class 6 Science Chapter 5 Separation of Substances

Students are advised to practice the NCERT MCQ Questions for Class 6 Science Chapter 5 Separation of Substances with Answers Pdf free download is available here. MCQ Questions for Class 6 Science with Answers are prepared as per the Latest Exam Pattern. Students can solve these Separation of Substances Class 6 MCQs Questions with Answers and assess their preparation level.

Separation of Substances Class 6 MCQs Questions with Answers

Solving the Separation of Substances Multiple Choice Questions of Class 6 Science Chapter 5 MCQ can be of extreme help as you will be aware of all the concepts. These MCQ Questions on Separation of Substances Class 6 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. Have a glance at the MCQ of Chapter 5 Science Class 6 and cross-check your answers during preparation.

Question 1. A mixture of iodine and sand can be separated by: (a) Decantation (b) Centrifugation (c) Filtration (d) Sublimation

(d) Sublimation A mixture of iodine and sand can be separated by sublimating.

Question 2. A mixture of tea leaves and iron filling can be separated by: (a) Filtration (b) Evaporation (c) Separating funnel (d) Magnet

(d) Magnet A mixture of tea leaves and iron fillings can be separated by magnet.

Question 3. A mixture of mustard oil and kerosene oil can be separated by: (a) Sublimation (b) Evaporation (c) Separating funnel (d) Filtration

Question 4. Insects are separated from wheat by: (a) Hand picking (b) Sieving (c) Magnet (d) None of these

(a) Hand picking Insects from wheat are separated by hand picking.

Question 5. Larger quantity of salt can be dissolved in water by: (a) Heating (b) Coaling (c) Icing (d) None of these

(a) Heating Larger quantity of salt can be dissolved in water by heating.

Question 6. ……………….. cannot dissolve any amount of substances: (a) Solid (b) Water (c) Gas (d) Vapour

(b) Water Water cannot dissolve any amount of substances.

Question 7. To separate husk from grains in a field by (a) Tailor (b) Grocer (c) Watchman (d) Farmers

(d) Farmers Husk separated from grains by farmers.

Question 8. the husk which is ………………., is carried away by the wind and forms a Separate heap at a short distance from the heap of grain, (a) Heavier (b) Lighter (c) Stronger (d) None of these

(b) Lighter The husk is lighter is carried away by wind and forms a separate heap at a short distance from the heap of grain.

Question 9. The grains which are fall vertically down on the ground, (a) Heavier (b) Lighter (c) Stronger (d) None of these

(a) Heavier The grains which are heavier fall vertically down on the ground.

Question 10. A method of separation used when the components of a mixture are of different sizes is known as: (a) Separation (b) Winnowing (c) Sieving (d) None of these

Question 11. water is cleared by the process of loading. (a) Lemon water (b) Milky water (c) Muddy water (d) None of these

Question 12. The method to separating seeds of paddy from its stalks is called: (a) Filtration (b) Hand-picking (c) Decantation (d) Threshing

(d) Threshing Seeds of paddy from its stalks is separating by thrushing.

Question 13. Common salt is then obtained from this mixture of salts by: (a) Evaporation (b) Filtration (c) Purification (d) None of these

Question 14. Which types of filters are used to purify drinking water ? (a) Electric water filters (b) Common water filter (c) Pure it filter (d) None of these

(a) Electric water filters Electric water filters are used to purify drinking water.

Question 15. Give an example of where filtration is used at home. (a) Mustard oil and water can be separated by using filtration (b) Husk from rice is separated by filtration (c) Paneer from milk is separated by filtration (d) All of these

Question 16. ………………. is used in loading as it quickly dissolves in water. (a) Tea leaves (b) Spirit (c) Alum (d) None of these

Question 15. Give examples of substances used in daily life. (a) Sugar (b) Common salt (c) Wheat (d) All of these

(d) All of these All of these (sugar, wheat, common salt) substances used in daily life.

Question 16. Give an example of materials that require separation. (a) We filter the tea leaves before drinking (b) Obtain harmful components (c) Mixed impurities for getting a pure sample (d) Both (a) and (c)

(a) We filter the tea leaves before drinking After preparing tea, it is passed through a stainer to separate the tea leaves.

Question 17. Some times, threshing is done with the help of ………………….. cart. (a) goat (b) bullock (c) cow (d) camel

(b) bullock Sometimes, threshing is done witli the help of bullockcart.

Question 18. …………………. are also used to thresh large quantities of grain. (a) Cart (b) By beating (c) Machines (d) None of these

Question 19. Money substances contain only one type of constituent particles are called: (a) Mixture (b) Pure substances (c) Winnowing (d) None of these

(b) Pure substances Many substances contain only one type of constituent particles are called pure substances.

Question 20. A substance which consists two or more types of contituents which are present in any amount or any ratio is called: (a) Mixture (b) Pure substances (c) Winnowing (d) None of these

(a) Mixture A substances consists more types of constituents which are present in any amount or ratio is mixture.

Question 21. The process by which the undesirable components forming the mixture are removed to get a desirable component is called: (a) Mixture (b) Separation (c) Loading (d) Filtration

(b) Separation The undesirable components forming the mixture are removed to get a desirable components is called separation.

Question 22. A separation method which involves blowing of light particles by air is known as: (a) Winnowing (b) Decantation (c) Filtration (d) None of these

(a) Winnowing A separation method which involves blowing of light particles by air is known as winnowing.

Question 23. The process of setting down of heavier insoluble particles from a mixture is called: (a) Filtration (b) Separation (c) Evaporation (d) Sedimentation

(d) Sedimentation Setting down of heavier insoluble particles from a mixture is called sedimentation.

Question 24. The process of transferring clear liquid without disturbing sedimeption is known as: (a) Sublimation (b) Loading (c) Decantation (d) None of these

Question 25. The process in which insoluble small suspended particles in a solution are made heavier to increase the rate of sedimentation of particles is called: (a) Crystallization (b) Loading (c) Saturated (d) None of these

(b) Loading The process in which insoluble small suspended particles in a solution are made heavier to increase the rate of sedimentation of particles is called loading.

Question 26. The method of separation in which particles suspended in a liquid are rotated in a centrifuge machine and heavier particles settle down is called: (a) Centrifugation (b) Crystallization (c) Saturated (d) None of these

(a) Centrifugation The particles suspended in a liquid are rotated in a centrifuge machine and heavier particles settle down is centrifugation.

Question 27. The process of separation insoluble solid from a liquid by passing the liquid through a filter paper is known as: (a) Evaporation (b) Filtration (c) Separation (d) None of these

(b) Filtration The process of separating insoluble solid from a liquid by passing the liquid through a filter paper is known as filtration.

Question 28. The process of separating any salt from its solution by removing water is called: (a) Separation (b) Filtration (c) Evaporation (d) None of these

Question 29. The process in which a solid changes directly to gas without changing into liquid is known as: (a) Evaporation (b) Solid (c) Gas (d) Sublimation

(d) Sublimation A solid changes directly to gas without changing into liquid is sublimation.

Question 30. The process of separating a pure substance in the form of crystals from its hot saturated solution by cooling is called: (a) Crystallization (b) Filtration (c) Distillation (4) Evaporation

(a) Crystallization Separating a pure substance in the form of crystals from its hot saturated solution by cooling is called crystallization.

Question 31. The process of heating a liquid to form vapour and then cooling the vapour to get back the liquid is called: (a) Crystallization (b) Saturated (c) Distillation (d) None of these

(c) Distillation Heating a liquid to form vapour and then cooling the vapour to get back the liquid is called distillation.

Question 32. A solution is said to be saturated if it cannot dissolve more of substance in it by: (a) Crystallization (b) Saturated solution (c) Distillation (d) None of these

(b) Saturated solution A solution is said to be saturated if it cannot dissolve more of substances in it by distillation.

Match the following:

Question 1.

Question 2.

State whether the statements are True or False:

Question 1. A mixture of milk and water can be separated by filtration.

Question 2. A mixture of powdered salt and sugat can be separated by the process of winnowing.

Question 3. Large quantity , of salt can be dissolved in water by heating.

Question 4. It is possible to separate sugar mixed with wheat flour by sieving.

Question 5. Winnowing is a method of separation which is used to separation lighter and heavier components of mixture.

Question 6. Sedimentation method is used for purification of river water in villages.

Question 7. Separation of sugar from tea can be done with filtration.

Question 8. Grain and husk can be separated by decantation.

Question 9. Evaporation is employed to separate soluble solids from liquids.

Question 10. Gil and Water dissolved in one another.

Question 11. Water dissolved any amount of substances.

Question 12. The loaded mud particles settle down at the bottom of the container.

Fill in the blanks:

Question 1. The method of separating seed of paddy from its stalks is called ……………………

Question 2. When milk is poured on to a piece of cloth the cream is left behind on it. This process of separating cream from milk is an example of …………………….

Question 3. Salt is obtained from sea water by the process of …………………….

evaporation

Question 4. Impurities settled at the bottom when muddy water was kept over night in a bucket. The clear water was then poured off from the top. The process of separation used in the example is called ……………………

sedimentation and decantation

Question 5. A mixture of mustard oil and water can be separated by using ……………………

separating funnel

Question 6. Ammonium chloride is separated from common salt by ……………………

sublimation

Question 7. Husk is separated from rice by …………………….

Question 8. Cream is separated from milk by …………………….

centrifugation

Question 9. Insects are separated from wheat by ……………………

hand-picking

Question 10. Naphthalene is separated from common salt by ……………………

Question 11. The farmers allow the mixture of grains and the husk to fall from a …………………….

Question 12. Husk or dirt particles are separated from pulses before cooking by …………………….

Mention the harmful component present in the following mixture:

Question 13. A mixture of Kesari Dal and other Dal.

Question 14. Water from an abandoned well.

Harmful insects, bacteria

Question 15. Argemone oil and mustard oil.

Argemone oil.

Hope the information shared regarding the NCERT MCQ Questions for Class 6 Science Chapter 5 Separation of Substances with Answers Pdf free download is true and genuine as far as our knowledge is concerned. If you feel any information regarding CBSE Class 6 Science Separation of Substances MCQs Multiple Choice Questions with Answers is missing do reach us and we will look into it and add it accordingly.

Question and Answer forum for K12 Students

MCQ Questions for Class 6 Science Chapter 5 Separation of Substances with Answers

We have compiled the NCERT MCQ Questions for Class 6 Science Chapter 5 Separation of Substances with Answers Pdf free download covering the entire syllabus. Practice MCQ Questions for Class 6 Science with Answers on a daily basis and score well in exams. Refer to the Separation of Substances Class 6 MCQs Questions with Answers here along with a detailed explanation.

Separation of Substances Class 6 MCQs Questions with Answers

Choose the correct option.

Question 1. Mixtures need to be separated because (a) to remove undesirable substances (b) to get desirable substances (c) to obtain highly pure substances (d) all of the above

Answer: (d) all of the above

Question 2. The method of separation used to separate stones from rice is (a) handpicking (b) threshing (c) winnowing (d) all of these

Answer: (a) handpicking

Separation of Substances Questions with Answers

Question 3. Butter is separated from milk by (a) sedimentation (b) filtration (c) churning (d) decantation

Answer: (c) churning

Question 4. The separation of grains from husk is done by the process of (a) handpicking (b) sieving (c) winnowing (d) threshing

Answer: (c) winnowing

Question 5. Threshing is done by (a) beating (b) animals (c) machines (d) all of these

Answer: (d) all of these

Question 6. Filtration is a method to separate the components of a (a) solution (b) mixture of a liquid and an insoluble substance (c) both (a) & (b) (d) pure substance

Answer: (b) mixture of a liquid and an insoluble substance

Question 7. A solid is dissolved in water. Which one of the following methods can be used to separate it? (a) Filtration (b) Decantation (c) Distillation (d) Evaporation

Answer: (d) Evaporation

Question 8. Petroleum contains (a) petrol (b) methanol (c) oil (d) water

Answer: (a) petrol

Question 9. Which of the following method is used when there is a difference in size and colour of desirable and undesirable constituents? (a) Handpicking (b) Threshing (c) Filtration (d) Decantation

Answer: (a) Handpicking

Question 10. The components of a solution of sugar in water can be separated by (a) filtration (b) crystallisation (c) decantation (d) sedimentation

Answer: (b) crystallisation

Question 11. At water treatment plants, the river water is filtered by using (a) filter paper (b) porcelain filters (c) cloth filters (d) sand filters

Answer: (d) sand filters

Question 12. The process of separating grains from the stalks is called (a) handpicking (b) threshing (c) decantation (d) evaporation

Answer: (b) threshing

Question 13. Iodine can be recovered from tincture of iodine by the process of (a) filtration (b) distillation (c) evaporation (d) decantation

Answer: (c) evaporation

Question 14. A mesh which is used to separate things on the basis of their difference in size (a) sieve (b) thresher (c) filter paper (d) none of these

Answer: (a) sieve

Question 15. The process of conversion of water into vapour is called (a) condensation (b) evaporation (c) sedimentation (d) decantation

Answer: (b) evaporation

Question 16. The process of separation of tea leaves by strainer is called (a) filtration (b) sedimentation (c) evaporation (d) condensation

Answer: (a) filtration

Question 17. Which of the following mixtures cannot be separated by using water as solvent followed by filtration and evaporation? (a) Sand and sugar (b) Salt and chalk powder (c) Sand and sulphur (d) Blue vitriol and sand

Answer: (c) Sand and sulphur

Question 18. The property which forms the basis of sieving is (a) difference in weight (b) difference in colour (c) difference in shape (d) difference in size

Answer: (d) difference in size

Question 19. When no more salt dissolves in water at a particular temperature, then the solution at that temperature is called (a) unsaturated (b) saturated (c) supersaturated (d) none of these

Answer: (b) saturated

Question 20. The separation of insoluble solids from liquids can be done by (a) sedimentation (b) decantation (c) loading (d) all of these

Answer: (a) sedimentation

Question 21. An example of a heterogeneous mixture is (a) fresh air (b) fresh water (c) sugar solution (d) dirty water

Answer: (d) dirty water

Question 22. ………….. is a convenient method of separation. (a) Handpicking (b) Threshing (c) Winnowing (d) Sieving

Question 23. Thresher machines are also used to thresh large quantities of …………….. (a) grain (b) sugar (c) salt (d) sand

Answer: (a) grain

Question 24. A separation funnel is a ……….. bulb to the stem of which is fitted a stopcock. (a) wooden (b) copper (c) glass (d) steel

Answer: (c) glass

Question 25. Distillation is a method of obtaining pure …………….. from a solution. (a) liquid (b) solid (c) gas (d) all of them

Answer: (a) liquid

Question 26. Water present in …………… is in the form of water vapour. (a) soil (b) moist (c) air (d) dry

Answer: (c) air

Question 27. Common salt is recovered from sea water by the process of (a) filtration (b) evaporation (c) sublimation (d) decantation

Question 28. When no more salt dissolves in water at a particular temperature, then the solution at that temperature is called (a) unsaturated (b) saturated (c) super saturated (d) none of the above

Question 29. The process of conversion of water into vapour is called (a) evaporation (b) condensation (c) sedimentation (d) decantation

Answer: (a) evaporation

Question 30. Tincture of iodine is a weak solution of iodine in alcohol. Iodine can be recovered from tincture of iodine by the process of (a) filtration (b) distillation (c) evaporation (d) decantation

Answer: (b) distillation

Fill in the Blanks

Question 1. Milk is a mixture of ……………., ……………. and …………….

Answer: milk-proteins, water, cream

Question 2. ……………. substance contains particles of only one type.

Answer: Pure

Question 3. ……………. and ……………. are the types of mixtures.

Answer: Heterogeneous, homogeneous

Question 4. Pebbles can be separated from wheat by …………….

Answer: handpicking

Question 5. ……………. is used to separate husk from wheat.

Answer: Winnowing

Question 6. Glass is a …………….

Answer: mixture

Question 7. Common salt is obtained from sea water by …………….

Answer: evaporation

Question 8. Compounds have ……………. melting points.

Answer: fixed

Question 9. Cream is separated from milk by the process of …………….

Answer: churning

Question 10. The method used to separate the components of different sizes in a mixture using a sieve is called …………….

Answer: sieving

Question 11. The process of separating grains from the stalks is called …………….

Answer: Threshing

Question 12. Fine sand can be separated from larger particles by …………….

Question 13. Breaking of stalks from grains is done by a machine called …………….

Answer: threshers

Question 14. Butter is a component of …………….

Answer: buttermilk

Question 15. Mixture may be solid, liquid or …………….

Answer: gas

Question 16. ……………. is used for separating insoluble substances from a liquid.

Answer: Filtration

Question 17. Sedimentation can be done more quickly by adding ……………. into it.

Answer: alum

Question 18. The used tea-leaves are separated from tea by the method of …………….

Answer: filtration

Question 19. The changing of liquid into vapours is called …………….

Question 20. Components retain their properties in a …………….

Question 21. Peanuts can be separated from a mixture of wheat and peanuts by ………………

Question 22. Fine sand can be separated from larger particles by ………………

Question 23. Compounds have ……………… melting points.

Question 24. Mixture may be solid, liquid or ………………

Question 25. Butter is a component of ………………

Answer: milk

Question 26. Sugarcane juice is a mixture of ……………… water and many other substances.

Answer: sugar

Question 27. Separation of components is done to obtain a ……………… substance.

Answer: pure

Question 28. Components retain their properties in a ………………

Question 29. The solid left behind after filtration is called ………………

Answer: residue

Question 30. The component dissolved in a solvent is called ………………

Answer: solute

True or False

Question 1. Milk is a pure substance.

Answer: False

Question 2. Evaporation is a continuous process.

Answer: True

Question 3. Air is a mixture of gases.

Question 4. Filtration can remove any solid substance which are dissolved in a liquid.

Question 5. A mixture of chalk powder and water is separated by sieving.

Question 6. A mixture of oil and water can be separated by decantation.

Question 7. Rocks are pure substances.

Question 8. Ink loses its properties when mixed in water.

Question 9. Common salt is a pure substance.

Question 10. Loading helps the suspended clay particles to settle down.

Question 11. Separating a mixture of two solids by winnowing is based on the difference in their weights.

Question 12. When no more solute can be dissolved in a given amount of solvent at a particular temperature, the solution is said to be unsaturated.

Question 13. Grain and husk can be separated by decantation.

Question 14. Handpicking can be used to separate pulses from a mixture of pulsed and pebbles in a plate.

Question 15. Lemonade is a homogeneous mixture.

Question 16. There are a number of useful minerals present in sea water.

Question 17. The tap water is completely pure and fit for drinking.

Question 18. When a mixture consists of heavier and lighter particles, the lighter particles are separated using winnowing.

Question 19. Winnowing and threshing are same processes.

Question 20. Decantation is generally preceded by sedimentation.

Match the following

Hope the information shed above regarding NCERT MCQ Questions for Class 6 Science Chapter 5 Separation of Substances with Answers Pdf free download has been useful to an extent. If you have any other queries of CBSE Class 6 Science Separation of Substances MCQs Multiple Choice Questions with Answers, feel free to reach us so that we can revert back to us at the earliest possible.

Class 6 Chemistry MCQs
Class 6 Chemistry Mcqs Chapter 5 Separation of Substances

Class 6 Chemistry Chapter 5 Separation of Substances MCQs

Class 6 chemistry MCQs with answers are provided here for Chapter 5, Separation of Substances. These MCQs are based on the CBSE board curriculum and correspond to the most recent Class 6 chemistry syllabus. By practising these Class 6 multiple choice questions, students will be able to quickly review all of the ideas covered in the chapter and prepare for the Class 6 annual examinations as well as other competitive exams.

Download Chapter 5 Separation of Substances MCQs PDF by clicking on the button below. Download PDF

Class 6 Separation of Substances MCQs

1. The process by which butter can be separated from milk is ____.

a.) Sedimentation

b.) Decantation

c.) Filtration

d.) Churning

Answer – (d.) Churning

Explanation – Churning is the process of continuously moving milk or curd with skimmers to produce butter.

2. Which of the following processes can be used to separate a liquid from an insoluble solid?

a.) Evaporation

b.) Sedimentation

c.) Distillation

d.) Filtration

Answer – (d.) Filtration

Explanation – Filtration is the process of separating suspended solid matter from a liquid by passing it through the pores of a membrane known as a filter. For example, tea leaves are separated from tea by filtration.

3. Choose the incorrect statement from the following.

a.) Decantation is the process of transferring the clear liquid without disturbing the sediments.

b.) Decantation is the process of separating an insoluble solid from a liquid using filter paper.

c.) Decantation is the process of settling down heavier, insoluble particles from a mixture

d.) Decantation is the process in which solid changes directly into a vapour state.

Answer – (a.) Decantation is the process of transferring the clear liquid without disturbing the sediments.

Explanation – The decantation process is carried out just after sedimentation.

4. Which of the following processes can be used to separate impurities from wheat?

a.) Magnetic separation

b.) Winnowing

c.) Handpicking

d.) Threshing

Answer – (c.) Handpicking

Explanation – Handpicking is a technique that separates undesirable substances such as small pieces from wheat, rice, and pulses. Stone fragments from grains are picked up by hand and discarded.

5. Which of the following processes is used to separate grains from stalks?

a.) Threshing

d.) All of the above

Answer – (a.) Threshing

Explanation – Threshing is the separation of grain from the stalk on which it grows as well as the chaff or unit that covers it. The edible portion of the crop is loosened during the process, but not the fibre portion.

6. Salt is obtained from seawater by the process of ____.

c.) Evaporation

d.) Distillation

Answer – (c.) Evaporation

Explanation – A large amount of seawater is stored in a sand dig with a large surface area and allowed to evaporate by absorbing solar energy. The water evaporates, but the sea salts remain in the dig.

7. Which of the following processes involves leaving the insoluble mixture to stand for some time and then separating the impurities?

d.) Evaporation

Answer – (a.) Sedimentation and (b.) Decantation

Explanation – Sedimentation is the process of separating insoluble substances that are heavier than liquid by allowing them to settle naturally due to gravity. The clear upper liquid is poured out of the container without disturbing the sediment during decantation.

8. In the process of distillation, evaporation is followed by ____.

a.) Filtration

b.) Sublimation

c.) Condensation

d.) None of the above

Answer – (c.) Condensation

Explanation – Distillation is the process of separating a liquid from a mixture through evaporation and condensation.

9. Which method can be used to separate iron and copper?

a.) Crystallisation

d.) Magnetic separation

Answer – (d.) Magnetic separation

Explanation – Both iron and copper are metals, but iron can be attracted by magnets, and copper cannot. Hence, they can be separated by magnetic separation.

10. Which of the following processes is done after harvesting?

a.) Winnowing

b.) Threshing

c.) Reaping

d.) Cutting

Answer – (b.) Threshing

Explanation – Reaping and cutting is done before harvesting. The first process after harvesting is threshing which is beating out the grain from the chaff. Winnowing separates chaff and hay from the grain after threshing.

11. The separation of heavier, insoluble impurities in an undisturbed mixture solution is known as ____.

Answer – (a.) Sedimentation

Explanation – The mixture of liquid and insoluble solid is placed in a container during sedimentation. Gravity causes the heavier solid particles to settle at the bottom of the container. These solid particles are referred to as sediment.

12. The process of conversion of vapour into liquid is called ____.

b.) Crystallisation

c.) Sublimation

d.) Condensation

Answer – (d.) Condensation

Explanation – Condensation occurs in one of two ways: The air is either cooled to its dew point or becomes so saturated with water vapour that it cannot hold any more water.

13. Chalk powder can be separated from water by _____.

Explanation – Chalk powder does not dissolve in water and cannot pass through filter paper. Thus, the mixture can easily be separated by the filtration process.

14. Components of a mixture separated by sieving are done based on differences in their:

Answer – (d.) Size

Explanation – The sieving method is used to separate solid constituents of a mixture that vary in size.

15. The process of ____ separates the cotton fibre from cotton seeds.

b.) Sieving

c.) Ginning

d.) Boiling

Answer – (c.) Ginning

Explanation – The process of separating cotton fibres from cotton seeds or lint is known as ginning. It also helps to remove impurities like dust, small stones, and wood particles.

16. The process of separating camphor from sand is ____.

a.) Sublimation

Answer – (a.) Sublimation

Explanation – We can separate camphor from sand by slowly heating the mixture. The camphor vapours are then collected and cooled. The solid camphor will crystallise. This is also known as sublimation.

17. Which of the following processes can be used to separate a mixture of sand and salt?

a.) Sedimentation and decantation

b.) Filtration

Answer – (d.) All of the above

Explanation – Sand and salt are mixed with water, the salt dissolves in the water, and the sand can be separated by sedimentation, decantation, and filtration. The salt can then be separated using evaporation.

18. The process by which pure salt can be obtained from impure salt is:

d.) Sieving

Answer – (a.) Crystallisation

Explanation – The physical transformation of a liquid, solution, or gas to a crystal, which is solid with an ordered internal arrangement of molecules, ions, or atoms, is known as crystallisation.

19. The process of conversion of liquid into vapour is called ____.

b.) Condensation

c.) Heating

Answer – (a.) Evaporation

Explanation – Evaporation takes place when liquids are heated, and then they get converted into vapours.

20. The process in which a mixture of heavier particles and lighter particles are separated by the wind is ____.

b.) Reaping

c.) Harvesting

d.) Winnowing

Answer – (d.) Winnowing

Explanation – This method is used to separate the husk from heavy grain seeds.

Separation of Substances
Methods of Separation
Class 6 Chemistry Worksheet on Chapter 5 Separation of Substances – Set 1
Class 6 Chemistry Worksheet on Chapter 5 Separation of Substances – Set 2
Class 6 Chemistry Worksheet on Chapter 5 Separation of Substances – Set 3
Separation Techniques Questions
Separation Questions
Chemistry Concept Questions and Answers

Decantation and The Separation Process

Share Share

Register with BYJU'S & Download Free PDFs

Class 6 Science Chapter 3 Question Answers

NCERT Solutions for Class 6 Science Chapter 3 Question Answers of Separation of Substances updated for CBSE and State board.3

Answer: Before using a substance, we need to separate harmful or non-useful substances that may be mixed with it. Sometimes, we separate even useful components if we need to use them separately. For example:

We used to separate slightly larger sized impurities like the pieces of dirt, stone, and husk from wheat, rice or pulses by handpicking method.
Rice or pulses are usually washed before cooking. When we add water to these, the impurities like dust and soil particles get separated.

Answer: Winnowing is the method of separating components of a mixture containing heavier and lighter components by wind or by blowing air. It is used to separate husk particles from seeds of grain.

Answer: Husk or bigger pieces of dirt particles can be removed from a sample of pulses by handpicking.

Answer: Sieving is the process of filtering components of a mixture of different sizes. Sieving allows fine particles to pass through the holes of the sieve, while the bigger impurities remain on the sieve. Sieving is used in flour mills to separate broken particles of grains from flour. It is also used at construction sites to separate lumps, smaller stones from the mixture of sand and cement.

Answer: To separate sand and water from their mixture, we follow the following steps:

Leave mixture to stand undisturbed for some time in a container.
Sand settles at the bottom of the container. It is called sedimentation.
Gently pour the water in another container (called decantation ).
We may also use filter paper to remove fine particles of sand (called filtration)

Answer: Yes. Through sieving we can separate sugar mixed with wheat flour.

Answer: Following steps are required to obtain clear water from muddy water:

Allow muddy water to stand undisturbed in a container.
After sometime, mud settles at the bottom of the container. This process is called sedimentation.
Upper layer is clear water.
Pour the clear water gently in another container. This process is called decantation.
To remove finer impurities we can filter this water again with the help of filter paper. This process is called filtration.

(a) The method of separating seeds of paddy from its stalks is called ___________. (b) When milk, cooled after boiling, is poured onto a piece of cloth the cream (malai) is left behind on it. This process of separating cream from milk is an example of ___________. (c) Salt is obtained from seawater by the process of ___________. (d) Impurities settled at the bottom when muddy water was kept overnight in a bucket. The clear water was then poured off from the top. The process of separation used in this example is called ___________.

Answer: (a) The method of separating seeds of paddy from its stalks is called threshing. (b) When milk, cooled after boiling, is poured onto a piece of cloth the cream (malai) is left behind on it. This process of separating cream from milk is an example of churning. (c) Salt is obtained from seawater by the process of evaporation. (d) Impurities settled at the bottom when muddy water was kept overnight in a bucket. The clear water was then poured off from the top. The process of separation used in this example is called sedimentation and decantation.

(a) A mixture of milk and water can be separated by filtration. (b) A mixture of powdered salt and sugar can be separated by the process of winnowing. (c) Separation of sugar from tea can be done with filtration. (d) Grain and husk can be separated with the process of decantation.

(a) A mixture of milk and water can be separated by filtration. (False)
(b) A mixture of powdered salt and sugar can be separated by the process of winnowing. (False)
(c) Separation of sugar from tea can be done with filtration. (False)
(d) Grain and husk can be separated with the process of decantation. (False)

Answer: We should add sugar before adding ice. Sugar dissolves in warm water more quickly than in cold water. We can dissolve more sugar before mixing ice in water.

NCERT App for Class 6

IMAGES

NCERT Solutions for Class 6 Science Chapter 5 Separation of Substances
class 6 science worksheets Chapter 5-Separation of Substances |PW
CBSE Class 6 Science Chapter 5
Class 6 Science Chapter 5 Separation Of Substances Complete Exercise
MCQ Questions for Class 6 Science Chapter 5 Separation of Substances
Part5 chapter-5 separation of substances

VIDEO

Chapter 3 Separation of Substances class 7th icse chemistry in hindi @jatinacademy
Separation of Substances / Clas 6 Science Chap-5 Part-2 / Handpicking Threshing Winnowing Sieving
CLASS-6 SCIENCE CHAPTER-3 SEPARATION OF SUBSTANCES
class 6 Science chapter -3 Separation of substances
Introduction and Need for separation
Separation Of Substance (KPM-Grade6)

COMMENTS

Case Study Questions for Class 6 Science Chapter 5 Separation of Substances
Here is an example of case study or passage-based questions for class 6 Science: Passage: Rahul conducted an experiment to investigate how different liquids affect the rusting of iron nails. He placed four iron nails in four separate beakers containing water, vinegar, oil, and saltwater. After one week, he observed the nails and recorded his ...
Class 6 Science Chapter 5 Separation of Substances Extra Questions
Answer: The materials having different size and colour can be separated by handpicking. 8. Name the other methods used to separate solid materials of different size. Answer: Sieving. 9. Name the process used to separate heavier and lighter components of a mixture. Answer: Winnowing.
Separation of Substances Class 6 Extra Questions Science Chapter 5
Separation of barn (choker) from flour. Question 5. Name some materials that are used as filters. Answer: Cotton, ceramic, filter cloth, filter paper. Question 6. Name the process of separating two immiscible liquids. Answer: By using separating funnel or by decantation.
NCERT Solutions for Class 6 Science Chapter 5 Separation of Substances
Solution: Yes, it is possible to separate sugar mixed with wheat flour by the following method: a) Mix sugar and wheat flour in water. b) Stir the solution to allow the sugar to dissolve. c) Now, filter the mixture. d) Filtrate contains the sugar solution, and the residue will be wheat flour. 7.
Important Questions for CBSE Class 6 Science Chapter 5
Disadvantage of Winnowing: Winnowing is a way of separating heavy components of a mixture from lighter components using wind, but this procedure does not work for items heavier than grains, such as stones. Benefits of Important Questions for CBSE Class 6 Science Chapter 5 - Separation of Substances. The benefits of having a set of important questions for CBSE Class 6 Science Chapter 5 ...
Important Questions for Class 6 Science Chapter 5 Separation of Substances
Answer: The materials having different size and colour can be separated by handpicking. 8. Name the other methods used to separate solid materials of different size. Answer: Sieving. 9. Name the process used to separate heavier and lighter components of a mixture. Answer: Winnowing.
NCERT Exemplar Class 6 Science Chapter 5 Separation of Substances
Write the steps involved for the separation of salt, sand and oil from the mixture by giving an activity along with the diagram. Solution: A mixture of salt, sand, oil and water can be separated by following steps. Decant the oil from the mixture which is floating - oil is separated. Filter the mixture.
NCERT Solutions for Class 6 Science Chapter 5
5.1 Methods of Separation. The different separation methods of substances Class 6 chapter are simplified in NCERT solution for Class 6 Science Chapter 5. Some of the methods include hand-picking, winnowing, threshing, sieving, evaporation, sedimentation, filtration, etc. Let us discuss each of these methods in detail.
NCERT solutions for Science Class 6 chapter 5
Available here are Chapter 5 - Separation of Substances Exercises Questions with Solutions and detail explanation for your practice before the examination ... (Separation of Substances) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while ...
Separation of Substances Class 6 Notes CBSE Science Chapter 5 ...
CBSE Class 6 Science Notes Chapter 5 are now available online with Vedantu in PDF format to ensure complete exam preparation. Our standard Class 6 Notes in Science on Separation of Substances are compiled by subject experts having years of experience in this field. Such Separation of Substances Class 6 Notes consists of step-by-step chapter ...
NCERT Exemplar Class 6 Science Chapter 5 Separation of Substances
Question 15: Match the mixtures in Column I with their methods of separation in Column II. Solution: (c) The correct matching is as given: (a)—(iii), (b)—(iv), (c)—(v), (d)—(ii), (e)—(i) Long Answer Type Questions. Question 16: Both Sarika and Mohan were asked to make salt solution. Sarika was given a teaspoonful of salt and half a ...
Class 6 Science Chapter 5: Separation of Substances Worksheet
Question 1. VERY SHORT ANSWER TYPE QUESTION. (i)List few methods of separations. (ii)which method will you prefer to separate a solid dissolved in liquid? (iii)Name the process used to separate butter from curd. (iv)Which method is used to obtain a pure liquid from a solution? (v)What property is used to separate water from bigger soil particles?
NCERT Solutions for Class 6 Science Chapter 5 Separation of Substances
Question 4. Give one example of sieving used in everyday life. Answer: Separation of barn (choker) from flour. Question 5. Name some materials that are used as filters. Answer: Cotton, ceramic, filter cloth, filter paper. Question 6. Name the process of separating two immiscible liquids. Answer: By using separating funnel or by decantation.
Chapter 5 Separation of Substances Class 6 Questions & Answers
Question 6. A mixture of iron nails, salt, oil and water is provided to you. Give stepwise methods to separate each component from this mixture. Answer 6: A mixture of iron nails, salt, oil and water can be separated by the following steps: Iron nails can be picked out by hand or using a magnet.
NCERT Solutions for Class 6 Science Chapter 5 Separation of Substances
NCERT Solutions for Class 6 Science - All Chapters. Chapter 1 Food Where Does It Come From. Chapter 2 Components of Food. Chapter 3 Fibre to Fabric. Chapter 4 Sorting Materials Into Groups. Chapter 5 Separation of Substances. Chapter 6 Changes Around Us. Chapter 7 Getting to Know Plants. Chapter 8 Body Movements.
NCERT Exemplar Solutions for Class 6 Science Chapter 5
Chapter 5 - Separation of Substances present on this page provides answers to the questions related to each and every topic discussed in this chapter. Students can refer to and easily download the PDF of NCERT Exemplar Class 6 Science solutions for free from the link given below.
Separation of Substances Class 6 Notes
Mixtures can be physically separated by using methods that use differences in physical properties to separate the components of the mixture (evaporation, distillation, filtration and chromatography). Separation of Substances Class 6 - Chapter 5 Science Notes includes detailed explanations about the different separation techniques used to ...
MCQ Questions for Class 6 Science Chapter 5 Separation of Substances
A mixture of Kesari Dal and other Dal. Answer. Question 14. Water from an abandoned well. Answer. Question 15. Argemone oil and mustard oil. Answer. Hope the information shared regarding the NCERT MCQ Questions for Class 6 Science Chapter 5 Separation of Substances with Answers Pdf free download is true and genuine as far as our knowledge is ...
Class 6 Chemistry Chapter 5
Class 6 chemistry important questions with answers are provided here for Chapter 5 - Separation of Substances. These important questions are based on the CBSE board curriculum and correspond to the most recent Class 6 chemistry syllabus.
MCQ Questions for Class 6 Science Chapter 5 Separation of Substances
Question 1. Mixtures need to be separated because. (a) to remove undesirable substances. (b) to get desirable substances. (c) to obtain highly pure substances. (d) all of the above. Answer. Question 2. The method of separation used to separate stones from rice is.
Class 6 Chemistry Chapter 5 Separation of Substances MCQs
By practising these Class 6 multiple choice questions, students will be able to quickly review all of the ideas covered in the chapter and prepare for the Class 6 annual examinations as well as other competitive exams. Download Chapter 5 Separation of Substances MCQs PDF by clicking on the button below. Download PDF
Class 6 Science Chapter 5 Question Answers Separation of Substances
The process of separation used in this example is called ___________. Answer: (a) The method of separating seeds of paddy from its stalks is called threshing. (b) When milk, cooled after boiling, is poured onto a piece of cloth the cream (malai) is left behind on it. This process of separating cream from milk is an example of churning.

Case Study Questions for Class 6 Science Chapter 5 Separation of Substances

[Download] Case Study Questions for Class 6 Science Chapter 5 Separation of Substances

Case Study/Passage Based Questions

Related Posts

Best Ways to Prepare for Case Study Questions

Download CBSE Books

Leave a Reply Cancel reply

Discover more from Gurukul of Excellence

Revision Notes for CBSE Class 6 Science Chapter 5 - Free PDF Download

Download CBSE Class 6 Science Revision Notes 2023-24 PDF

Access Class 6 Science Chapter 5 - Separation of Substances

Pure Substance:

Impure Substance:

Need for Separating Component of a Mixture:

Methods of Separation:

Separation of Solid From Other Solids:

Hand-Picking:

Magnetic Separation:

Separation of Water Soluble Particles or Soluble in Solvent Solutes:

Separation of Insoluble Solids From Liquids:

Separation of Immiscible Liquids:

Separating Solute not Soluble in a Solvent:

Class 6 Chapter 5 Science Notes Separation of Substances – Chapter Overview

Vedantu – Your Trusted Learning Ally

Conclusion

FAQs on Separation of Substances Class 6 Notes CBSE Science Chapter 5 (Free PDF Download)

NCERT Solutions

NCERT Solutions for Class 6 Science Chapter 5 Separation of Substances

Class 6 Science Chapter 5 Textbook Questions and Answers

Leave a Reply Cancel reply

Separation of Substances Class 6 Questions and Answers

Important Questions Class 6 Science Chapter 5 – With Solutions

Question 1. What is winnowing? Where is it used?

Question 2. How will you separate sand and water from their mixture?

Question 3. Fill in the blanks:

Question 4. Name the process by which we get salt from ocean water.

Question 5. What is Sieving? Where can it be used?

Question 6. A mixture of iron nails, salt, oil and water is provided to you. Give stepwise methods to separate each component from this mixture.

Question 7. What is centrifugation?

Question 8. Name and describe briefly a method which can help separate a mixture of husk from grains. What is the principle of this method?

Question 9. What is a strainer?

Question 10. Name the process used to separate cream from curd.

Question 11. In the activity, a teacher dissolved a small amount of solid copper sulphate in a tumbler half filled with water. Which method would you use to get back solid copper sulphate from the solution?

Question 12. List some materials that are used as filters.

Question 13. Define the term handpicking.

Question 14. Paheli bought some vegetables such as french beans, lady’s finger, green chillies, brinjals and potatoes, all mixed in a bag.

Question 15. What is the use of decantation?

Question 16. Elaborate on the process of filtration.

Question 17. Four mixtures are given below.

Benefits of Solving Important Questions Class 6 Science Chapter 5

Please register to view this section

Chapter 2 - Components of Food

2. How do Extramarks important questions Class 6 Science Chapter 5 help students prepare for the examination?

3. Where will we use substance separation?

CBSE Related Links

Fill this form to view question paper

MCQ Questions for Class 6 Science Chapter 5 Separation of Substances

Separation of Substances Class 6 MCQs Questions with Answers

MCQ Questions for Class 6 Science Chapter 5 Separation of Substances with Answers

Separation of Substances Class 6 MCQs Questions with Answers

Class 6 Chemistry Chapter 5 Separation of Substances MCQs

Class 6 Separation of Substances MCQs

Recommended Videos

Decantation and The Separation Process

Register with BYJU'S & Download Free PDFs

Class 6 Science Chapter 3 Question Answers

IMAGES

VIDEO

COMMENTS