NCERT Class 6 Science Chapter 9 Methods of Separation in Everyday Life MCQ Questions with Answers

Class 6 Science Chapter 9 MCQs

1. Why are materials separated?
A. To increase waste
B. To remove unwanted substances and obtain useful materials
C. To change their colour
D. To make them heavier
Answer: B

2. Which method is used to separate stones from rice?
A. Filtration
B. Handpicking
C. Evaporation
D. Churning
Answer: B

3. Which method is used to separate husk from grains?
A. Winnowing
B. Sedimentation
C. Filtration
D. Sieving
Answer: A

4. Which method is commonly used to separate tea leaves from tea?
A. Evaporation
B. Filtration
C. Churning
D. Winnowing
Answer: B

5. Which method is used to separate sand from water?
A. Sieving
B. Filtration
C. Handpicking
D. Threshing
Answer: B

6. Which method is used to obtain salt from seawater?
A. Evaporation
B. Filtration
C. Winnowing
D. Sedimentation
Answer: A

7. Which method is used to separate flour from bran?
A. Sieving
B. Churning
C. Winnowing
D. Sedimentation
Answer: A

8. Which method is used to separate butter from curd?
A. Filtration
B. Churning
C. Handpicking
D. Evaporation
Answer: B

9. In sedimentation, heavier particles:
A. Float on water
B. Settle at the bottom
C. Evaporate
D. Melt
Answer: B

10. Decantation means:
A. Heating a liquid
B. Pouring the clear liquid into another container without disturbing the sediment
C. Filtering with cloth
D. Churning curd
Answer: B

11. Which method is used to separate iron filings from sand?
A. Filtration
B. Magnet
C. Evaporation
D. Winnowing
Answer: B

12. Which of the following is NOT a separation method?
A. Sieving
B. Winnowing
C. Photosynthesis
D. Filtration
Answer: C

13. A sieve is mainly used to separate materials based on:
A. Colour
B. Size of particles
C. Smell
D. Taste
Answer: B

14. Which method is suitable for separating oil and water?
A. Handpicking
B. Decantation
C. Sieving
D. Churning
Answer: B

15. Separation methods help us to:
A. Obtain pure and useful substances
B. Increase impurities
C. Change the colour of materials
D. Make objects heavier
Answer: A