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

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1. How is butter taken out from milk or curd
2. Salt is obtained from sea water by which process?
3. Mixing of similar harm substance in original substance, like white stones in rice is called:
4. What is the purpose for which we dothe separation?
5. When insoluble particles settle down in water, this process is called .....
6. Evaporation is used to separate
7. Which method is used to separate tea leaves from tea?
8. A substance that sublime even at room temperature
9. Acetone and water separated by
10. The separation of grains from husk is done by the process of
11. A mixture of milk and water can be separated by filtration.
12. A single substance of a definite composition is called a/an
13. How can I get salt out of water after it has dissolved and formed a solution?
14. If the solute is ..... it will dissolve more solute.Fill in the blank with correct answer.
15. Is blood a mixture?
16. A mixture is a material made by mixing two or more substances which can be easily separated.
17. Which method is used to manually remove unwanted materials from a mixture?
18. Ramesh is a farmer and he want to separate husk frrom wheat what should he do
19. After the sedimentation of mud in water, the clear water can be separated by
20. A student measures 5 grams of sugar into 50 milliliters of water in a flask.Which of the following should the student do to help the sugar dissolve more quickly into the water?
21. Milk is a mixture of
22. How do you separate sand from water?
23. Which technique is used to purify dirty water?
24. Paheli bought some vegetables such as french beans, lady's finger, green chillies, brinjals and potatoes all mixed in a bag. Which of the following methods of separation would be most appropriate for her to separate them?
25. The grain is separated from the stalk by the process called Threshing
26. THE OBJECT USED TO DO SIEVING
27. Air and salt water is an example of
28. What can increase the solubility of a solvent?
29. Handpicking is used to separate dirt and husk from grains.
30. Oil and water can be separated from each other using which of the following techniques?
31. The husk is separated from heavier seeds of grain by .....
32. By which method can we separate grains from husk?
33. The process of winnowing is used to remove pebbles from pulses
34. Which is float on water
35. Common salt is a pure substance.
36. A mixture of two immiscible liquids, such as oil and water, can be separated by using
37. A saturated solution is a chemical solution containing the minimum concentration of a solute dissolved in the solvent.
38. What is the correct meaning of solubility
39. Which of the following is a use of evaporation
40. After adding a lot salt, there is some undissolved salt, now in this situation what is the solution called?
41. Salt is obtained from sea water by .....
42. By which method we remove impurities and bran from flour?
43. The process of making mud particles heavy with alum
44. How many methods are used to separate substances?
45. Sand, salt and water mixture is provided to you. The sequence of processes used to separate them would be
46. What did you mean by Magnetic Seperation?
47. A ..... is one such filter that has very fine pores in it.
48. Imagine that u made a solution of salt and water, no more salt can dissolve in it but you want to dissolve more.what will u do?
49. Hand picking method is effective in
50. Four mixtures are given below(i) Kidney beans and chick peas(ii) Pulses and rice(iii) Rice flakes and corn(iv) Potato wafers and biscuitsWhich of these can be separated by the method of winnowing?
51. A homogeneous mixture is also called
52. Separation of kerosene oil from water is done by
53. Distillation is used to separate which type of mixture?
54. Which of the following properties can affect dissolution of sugar in water?
55. The modern methods of ..... of water using various types of filters involve the consumption of ..... and discharge of harmful substances in the water that is let off waste.
56. While preparing lemonade we need to dissolve sugar in water ..... adding ice
57. Larger quantity of sugar can be dissolved in water by
58. Husk is separated from rice by .....
59. Sand from water is separated by
60. Distillation is a method of obtaining pure ..... from a solution.
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