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Class 6 Science Chapter 5 Separation Of Substances Quiz 21 (25 MCQs)

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1. Milk is a mixture.
2. A saturated solution is a solution no more solvent can be added in a solution
3. A solution that cannot dissolve any more solute is called
4. The method used to separate the seeds from the fruit juice is .....
5. The method which is used to obtain pure salt from impure salt
6. What is the primary purpose of filtration in the separation of mixtures?
7. Elements are pure substances.
8. Anushka asked for a glass of water from Dhruv. He gave her a glass of ice cold water. Anushka observed some water droplets on the outer surface of the glass and asked Dhruv how these droplets of water were formed? Which of the following should be Dhruv's answer?
9. Temperature has an effect on the speed a solid dissolves in water.
10. During Sedimentation, some non-dissovable particles need to be settle down to the bottom surface. What is it called .....
11. Among these two processes which is slower process?
12. What is the process of converting water into water vapour
13. What is the process after the heavier component in a mixture settles after the water is added.This process is called???
14. Separation of common salt from the sea water is by .....
15. Separation process which is done using rotation the mixture at high speed:
16. What is known as the King of Water?
17. Which method should be adopted to separate the thin film that is formed on prepared and poured tea?
18. Salt is obtained from water by the process of
19. Which device used to filter
20. How can we obtain salt from sea water?
21. During summer, Navya carries water in a transparent plastic bottle to her school. One day she left her bottle in the school. The bottle still had some water left in it. The following day, she observed some water droplets on the inner surface of the empty portion of the bottle. These droplets of water were formed due to
22. Removal of nails from sand is:
23. Filtration is done when .....
24. The liquid which passes through the filter paper is called and the insoluble impurities which remain on the filter paper are called
25. A sieve is a shallow vessel having small holes at its bottom.
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