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Class 6 Science Chapter 5 Separation Of Substances Quiz 17 (25 MCQs)

Quiz Instructions

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1. Iron particles can be separated from the mixture by:
2. A main condition for sieving
3. Paheli bought some vegetables such as french beans, lady finger, green chillies all mixed in a bag. Which of the following methods of separation would be most appropriate for her to separate them?
4. The separation technique that involves heating a solution until the liquid changes into a gaseous state, leaving behind a solid is known as
5. The direction of wind plays an important role in the process of .....
6. ..... is used to separate heavier and lighter components of a mixture by wind or by blowing air
7. By which method can we separate grains from stalk?
8. Meena accidentally spilled some oil into the water glass. After leaving it undisturbed, which method of separation she can use to separate oil from water?
9. PROPERTIES COMMONLY USED TO SEPARATE SOLIDS FROM A MIXTURE OF SOLIDS ARE
10. A mixture of water and mustard oil can be separated by using a separating fluid
11. When is the saturated solution?
12. A solution in which no more soluble ( solute) substance can be dissolved at room temperature is called ..... solution.
13. Name the process used for the separation of the following:Wheat grains from stalks
14. A separation method which involves blowing of light particles by air
15. The process of conversion of water into its liquid is called condensation.
16. Butter can be separated from curd using the process of:
17. Anything that has mass and occupies space is called .....
18. The process of seperating insouluble solids, suspended in a liquid, by allowing them to settle down is called sedimentation.
19. ..... filter has very fine pores in it?
20. Filtration is a method to separate the components of a
21. The components of a solution can be separated by-
22. Which one is the essential step that a farmer does with the stalks before threshing?
23. To separate a mixture of salt and water what separation tool/method is used?
24. At water treatment plants, the river water is filtered by using
25. The impurities that left on the filter paper during filtration process, is
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