Separation of Substances Class 6 Science MCQs

Separating different things is an important skill to learn. In Class 6, you will study the different ways to separate mixtures and pure substances. This topic is not only important for your studies, but it also has many real-world uses, like in water cleaning, food making, and taking care of the environment.

Separation of substances class 6 MCQ will test your knowledge on the different separation techniques, how they work, and how they are used in the real world. By learning this topic, you will develop important thinking skills and understand the science behind the world around you.

Separation of substances class 6 MCQ with answers and MCQs separation of substances class 6 can be found in the NCERT Solutions for class 6 and Class 6 Syllabus. Mastering this “separation of substances class 6 MCQs PDF will be a valuable asset as you continue your education.

MCQs on Separation of Substances Class 6

Separating different materials is an important skill to learn. In Class 6, you will explore the various methods used to separate mixtures and pure substances. This topic has practical uses in areas like water cleaning, food processing, and environmental management. MCQs on Separation of Substances Class 6 will test your understanding of these techniques and their real-world applications.

Separation of Substances Class 6 MCQ with Answers

Ques: Which of the following is a method to separate husk from grains?

a) Filtration

b) Handpicking

c) Winnowing

d) Sieving

Ans: c) Winnowing

Explanation: Winnowing is used to separate lighter husk particles from heavier grains using wind or air flow.

Ques: Which method is used to separate stones from rice?

a) Sedimentation

b) Filtration

c) Handpicking

d) Evaporation

Ans: c) Handpicking

Explanation: Handpicking involves manually removing unwanted substances like stones from rice.

Ques: What technique is used to separate a mixture of sand and salt?

a) Filtration followed by evaporation

b) Sedimentation followed by decantation

c) Handpicking followed by sieving

d) Winnowing followed by sieving

Ans: a) Filtration followed by evaporation

Explanation: Sand can be separated by filtration, and salt can be obtained by evaporating the water from the saltwater solution.

Ques: Which of the following methods is used to separate cream from milk?

a) Filtration

b) Decantation

c) Churning

d) Handpicking

Ans: c) Churning

Explanation: Churning separates cream from milk due to the difference in density between cream and milk.

Ques: Which separation technique involves spinning to separate substances of different densities?

a) Filtration

b) Centrifugation

c) Evaporation

d) Sedimentation

Ans: b) Centrifugation

Explanation: Centrifugation involves spinning at high speeds to separate substances based on their densities.

Ques: The process of obtaining clear water from muddy water using alum is called:

a) Decantation

b) Filtration

c) Sedimentation

d) Loading

Ans: d) Loading

Explanation: Loading is the process of adding alum to muddy water to make suspended particles settle faster.

Ques: Which method is best for separating oil from water?

a) Filtration

b) Decantation

c) Evaporation

d) Winnowing

Ans: b) Decantation

Explanation: Decantation is used to separate immiscible liquids, such as oil and water, based on their densities.

Ques: What is the process of heating a liquid to form vapor and then cooling it to get the liquid back called?

a) Evaporation

b) Filtration

c) Distillation

d) Sedimentation

Ans: c) Distillation

Explanation: Distillation involves heating a liquid to form vapor and then cooling it to obtain the liquid, used to separate mixtures based on boiling points.

Ques: Which method can be used to separate a mixture of iron filings and sand?

a) Filtration

b) Evaporation

c) Magnetic separation

d) Decantation

Ans: c) Magnetic separation

Explanation: Magnetic separation is used to separate magnetic substances, like iron filings, from non-magnetic substances, like sand.

Ques: What process involves pouring out the liquid without disturbing the sediment?

a) Decantation

b) Filtration

c) Winnowing

d) Sieving

Ans: a) Decantation

Explanation: Decantation involves carefully pouring out the liquid, leaving the sediment behind.

Ques: Which method is used to separate soluble substances from a liquid?

a) Filtration

b) Evaporation

c) Sieving

d) Handpicking

Ans: b) Evaporation

Explanation: Evaporation separates soluble substances by heating the liquid until it evaporates, leaving the solute behind.

Ques: To separate two immiscible liquids, we use:

a) Filtration

b) Decantation

c) Separating funnel

d) Evaporation

Ans: c) Separating funnel

Explanation: A separating funnel is used to separate immiscible liquids based on their different densities.

Ques: Which method is used to separate a mixture of wheat and rice?

a) Winnowing

b) Handpicking

c) Sieving

d) Sedimentation

Ans: c) Sieving

Explanation: Sieving separates particles of different sizes by passing them through a sieve.

Ques: What is the process of separating solid particles suspended in a liquid by allowing them to settle down called?

a) Filtration

b) Decantation

c) Sedimentation

d) Evaporation

Ans: c) Sedimentation

Explanation: Sedimentation allows solid particles in a liquid to settle down due to gravity.

Ques: Which method is used to purify drinking water in homes?

a) Filtration

b) Decantation

c) Sedimentation

d) Evaporation

Ans: a) Filtration

Explanation: Filtration removes impurities from water, making it safe for drinking.

Ques: The process of separating butter from curd is called:

a) Filtration

b) Decantation

c) Churning

d) Winnowing

Ans: c) Churning

Explanation: Churning separates butter from curd by agitating the mixture.

Ques: Which technique is used to separate a mixture of chalk powder and water?

a) Filtration

b) Decantation

c) Sedimentation

d) Sieving

Ans: a) Filtration

Explanation: Filtration separates insoluble solids (like chalk powder) from liquids.

Ques: To obtain salt from seawater, which method is used?

a) Filtration

b) Evaporation

c) Sedimentation

d) Decantation

Ans: b) Evaporation

Explanation: Evaporation removes water, leaving salt behind.

Ques: The process of separating different components of petroleum is called:

a) Filtration

b) Fractional distillation

c) Sedimentation

d) Decantation

Ans: b) Fractional distillation

Explanation: Fractional distillation separates components of petroleum based on their boiling points.

Ques: What method is used to separate tea leaves from prepared tea?

a) Sedimentation

b) Filtration

c) Decantation

d) Winnowing

Ans: b) Filtration

Explanation: Filtration separates solid tea leaves from liquid tea using a strainer.

MCQ on Separation of Substances Class 6 FAQs

What is the purpose of MCQs on Separation of Substances for Class 6?

The purpose of these MCQs is to test your understanding of the different methods used to separate mixtures and pure substances, as well as their principles and real-world applications.

Where can I find the MCQs on Separation of Substances for Class 6?

You can find the MCQs in the NCERT Solutions for Class 6 Science and the Class 6 Science Syllabus. They are also available in PDF format on Infinity Learn educational websites.

How can practicing MCQs help me in my studies?

Practicing MCQs regularly helps you develop critical thinking skills, a deeper understanding of the concepts, and the ability to apply them in different situations. It also helps you identify your strengths and weaknesses, allowing you to focus your studies accordingly.

Are the MCQs based on the latest syllabus?

Yes, the MCQs are designed as per the latest syllabus for Class 6 Science released by the Central Board of Secondary Education (CBSE).