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Class 6 Science Chapter 5 Separation Of Substances Quiz 8 (60 MCQs)

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1. Name the process used for the separation of the following:Wheat bran from flour
2. The part of the mixture that passes through the filter paper is called the
3. Kabir is trying to separate kerosene oil that accidentally mixed with water while he was working on a science project. How can he effectively separate the kerosene oil from the water?
4. The process of conversion of water into vapor is called condensation.
5. The process of picking substances with hand .....
6. Find the opposite process of evaporation
7. The process of settling down of particles of a solid in a liquid can be termed as:
8. How can we separate the sea water and the salt?
9. When a substance is dissolve completely in a liquid ( sugar in water). A homogeneous mixture is formed, it is known as .....
10. What is the name of the separation technique should a student use to separate the iron filings?FiltrationSievingSeparating funnel
11. The components of a solution (say sugar in water) can be separated by
12. Pebbles and stones are usually removed from sand in construction sites by
13. Lemonade is a special mixture called a
14. Which of the following methods is used to separate stones from grains?
15. In making tea, which of these techniques is used to separate the tea leaves from the water?
16. How will you know whether the given sample of water is pure or not?
17. The process of changing solid to gas directly is .....
18. Which method is best suited for the separation of green vegetables from fried rice?
19. What method will you use to separate lighter husk from wheat or flour?
20. Water that is fit for drinking is called
21. Butter is separated from milk by ..... method.
22. Rocks are pure substances.
23. The process by which the liquid changes into a gas is called Evaporation.
24. What is formed when we dissolve a substance in water?
25. Distillation is a separation technique in which ..... is followed by .....
26. Impurities that settle down at the bottom of the container are called as-
27. In modern times, threshing is done by
28. Which of the following mixtures use filtration as method of separating components? i) Salt in water iii) Chalk powder in water ii) Tea with tea leaves iv) Fruit juice with pulp
29. Seperation is necessary when we need to remove unwanted things
30. The heavy inferable particles which settle down at the bottom is called the sediments
31. Find the method used separate mud and water as well as oil and water
32. ..... is the method is used for separating small particles of dirt stone husk etc from the grains of wheat, rice pulses etc.
33. In a mixture, constituents can be present in any ratio
34. Say true or false? A mixture of milk and water can be separated by filtration
35. The separation method used by farmers
36. A mixture of tea leaves and iron filings can be separated by which method?
37. Winnowing is the process of separating ..... from ..... is known as Winnowing.
38. Separating the insoluble suspended solids of various sizes from a liquid is called
39. Salt is obtained from seawater by the process of (a)
40. By sieving ..... and ..... are removed from sand
41. How to separate salt from sea water by ..... method?
42. While preparing chapatis, Paheli found that the flour to be used was mixed with wheat grains. Which out of the following is the most suitable method to separate the grains from the flour?
43. Evaporation is used to-
44. Condensation happens when water vapour hits a cold surface.
45. A machines that reaps, threshes and cleans the crop
46. Separation of Substances Which amongst the following methods would be most appropriate to separate grains from bundles of stalks?
47. The method commonly used at homes to separate pebbles from rice, pulses etc is
48. A mixture of mustard oil and Kerosene oil can be separated by
49. A mixture of powdered salt and sugar can be separated by the process of winnowing.
50. Oil and water can be separated through
51. A ..... contains two or more substances that can be separated easily.
52. All Elements and compounds are ..... substances
53. Liquids which don't desolve in each other are:
54. A substance that dissolves in a solvent to form a solution is called
55. WOOD IS A MIXTURE OF
56. Which process is used for separating tea from tea leaves?
57. What is threshing?
58. At Construction Sites, large sieves are seen. These help in .....
59. Common salt can be separated from sea water by
60. The process of sedimentation is used to separate salt from sea water
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