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Class 6 Science Chapter 5 Separation Of Substances Quiz 3 (60 MCQs)

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1. Which of the following method is used when there is a difference in size and colour of desirable and undesirable constituents?
2. Separation of components of a mixture is a useful process.
3. The method by which stalks are beaten to separate grain seeds are called (a)
4. The liquid obtained after distillation
5. Mixture has properties different from its components.
6. To separate two miscible liquids this method is used commonly-
7. Which of these is an example of Heterogeneous Mixtures?
8. The grain is seperated from the stalk by the process called Winnowing
9. In process filtration we use which paper
10. Decantation is used to separate oil and water.
11. In winnowing the mixture of wheat grains and ..... is dropped from my height
12. What involves beating the harvested crops to separate the grains?
13. Tea leaves are separated from tea by the process of,
14. A sieve is also known as chhalni.
15. Winnowing is .....
16. A solid is dissolved in water. Which one of the following methods can be used to separate it?
17. Is oil soluble in water
18. The process of pouring out the clear upper liquid without disturbing the sediments is called decantation.
19. What is Mixture?
20. This method of separating components of a mixture is called .....
21. Neeanshi, Dhruv and Anushka have to dissolve maximum amount of sugar in the same amount of milk so as to win in a game. Dhruv took hot boiling milk while Neeanshi took ice cold milk. Anushka managed to get milk at room temperature. Whom do you think would win the game?
22. Arrange the following in the correct sequence in order to separate salt from salt and sand mixture.decantation, filtration, addition of water, evaporation, sedimentation
23. Vinesh added five spoons of salt to a glass of water. The salt dissolved when the water was stirred well. He added another spoon of salt but the salt sank at the bottom and did not dissolve even on stirring. This is because .....
24. Which of these will not dissolve in water?
25. While helping Aanya with her project on traditional farming methods, Krish explained that winnowing is a crucial step in separating grain from chaff. Which of the following is essential to perform winnowing activity?
26. What is the simplest form of matter?
27. The solubility of different substances in water is different.
28. When handpicking is used?
29. Rain water is kind of
30. IF THE SUBSTANCE HAS FIXED MELTING AND BOILING POINTS, WE CAN SAY
31. What is the process of allowing the solid to settle and then carefully pouring off the liquid?
32. What is Supernatant?
33. The process sedimentation can be used to separate ..... - ..... components.
34. By which method can we seeds from juice
35. What is winnowing
36. Oil mixed in water is the process of decantation.
37. WHICH OF THE FOLLOWING CAN DISSOLVE IN WATER
38. In crystallisation a ..... is important as the crystals of salt/suar can be seen on it clearly
39. Which process is used in separating tea particles from tea?
40. Threshing is done by:
41. Pearl was confused in differentiating between pure and impure substances. Can you tell which one is a pure Substances. Gold, Ice Cream, Milk shake and Blueberry chocolate.
42. The technique of conveying clean liquid without disturbing the sediment is known as?
43. The method used to separate mixture of iron filling and salt wil be-
44. When no more salt dissolves in water at a particular temperature, then the solution at that temperature is called
45. You are given a small beaker of solution at room temp. You add a bit of solute to the solution and it dissolves. The solution was:
46. Machines are also used to thresh large quantities of grain.
47. Sieving is used when component of a mixture have .....
48. Separating pieces of stone and husk from rice and pulses
49. If the components of a mixture are of different sizes, they can be seperated by Sieving.
50. MIXTURES ARE MADE UP OF
51. While preparing chapatti, 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?
52. What happens in an evaporation dish?
53. The process followed to separate grains from the stalks is called .....
54. Solubility is the ability of a substance to get disolved in a given solid.
55. By which process oil and vinegar is commonly separated?
56. What isHomogeneous mixture
57. While preparing chapatis, Priti 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?
58. The opposite process evaporation is condensation.
59. Which of the following is soluble in water?
60. How to separate sugar from wheat flour?
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