AP 9th Physical Science Mock Test 2021 For Chapter 4 : “Is Matter Pure ?” Online Practice Test

1. Which of the following is an element ?
2. Which of the following is a pure substance ?
3. The mixture that can't easily be separated into its components
4. You can separate a mixture of camphor and sand by
5. One of the following is not a compound , find it.
6. One of the following is not a mixture
7. Colloidal solutions are heterogeneous in nature and always consist of atleast two phases , the disperse phase and the dispersion medium.Which of the following is not a colloidal solution ?
8. Colloidal particles can be seen
9. The purity of a liquid is judged by its
10. Milk is
11. Cloud is an example for
12. Two miscible liquids differing in their boiling points by 300 C can be separated by
13. The components of a homogeneous mixture are too intimately mixed up that it will be difficult to distinguish them from each other by visual observation.Example for such mixture is
14. Naphthalene and iron filings can be separated by this method :
15. The liquid element at 300 C is
16. Tyndall effect is exhibited by
17. In Tyndall effect
18. A colloid is stable
19. When a substance is homogeneous we call it
20. In a solution the substance which is not predominant is called
21. A homogeneous mixture of two or more substances is called
22. An example of colloid in which solid and gas are constituents ?
23. The property of some liquids mixing in all proportions forming a homogeneous solution is called
24. Water is a
25. The major component of a solution is
26. In tincture of Iodine solvent is
27. The amount in gr mass of solute present in 100 gr mass of solutions is called concentration . If 50 gr of salt in 200 gr of water , the concentration of that solution would be
28. In hot summer Revathi gave lemonade to the guests who visited her home . The solute in that solution is
29. Element is a basic form of matter that cannot be broken down into simple forms by chemical reactions . If any substance can be separated into two or more constituent parts by a chemical reaction , it should be
30. Which of the following can not be separated by sublimation when it is mixed with sand ?
31. The solvent used in the preparation of tincture of iodine is
32. "Pepsi" is a liquid solution in which the solute is
33. Which of the following does not form suspension when added to water ?
34. Mixture of sand , camphor and common salt is
35. Lucky : Salt is compound
Honey : Salt is mixture , Who is correct ?
36. The particles of solid can be seen with naked eye is
37. On mixing of dil.HCl to the mixture of iron dust and sulphur powder we obtain two gases , One of them is hydrogen and another would be
38. The gas that forms liquid first as the air is cooled is
39. A true solution of sugar and water is prepared , a student observed that it is
40. On adding a piece of aluminium foil to blue coloured copper sulphate solutions , copper will be deposited on aluminium foil then the solution
41. Ink is mixture of a dye in water . we can separate the components in the ink using evaporation , the correct observation in the experiments is
(i)Water is separated in the form of vapour
(ii)Dye component doesn't evaporate
(iii)Water and dye components gets evaporated
(iv)Dye components gets sublimated
42. Identify the heterogeneous mixture
43. P: Tyndall effect is related to suspensions
Q: Tyndall effect is related to colloidal solutions
44. In the above table "x" can be replaced by
45. Diesel-water is an immiscible mixture of solution.The diagram of apparatus is used to separate the mixture is
46. The method of separation of husk from wheat flour is called
47. The cream from milk can be separated by the process of
48. The ink is mixture of water is an example of
49. A mixture of soil and water is an example of
50. The process used to separate Ammonium chloride from a mixture of it and common salt is
51. A mixture of powdered sulphur and iron fillings can be separated by the following method
52. Sublimation can be used to separate
53. Two miscible liquids differing in their boiling points less than 250 can be separated by
54. Fractional distillation can be used to separated the 2 miscible liquids differing in their boiling points less than
55. Volatile solids from non volatile solids are separated by using
56. Magnetic separation is used to
57. Ink contains
58. Materials that are insoluble in a solvent and have a particle that are visible to naked eye is called
59. A mixture contains
60. The below diagram is
61. Which of the following are pure substances ?
62. ...................... are pure substances that can be separated into 2 or more compounds only by means of chemical reaction
63. An .................... as a basic form of matter that cannot be broken down into simpler forms by chemical reaction
64. Which of the following are not a property of compounds ?
65. Which of the following are properties of mixture ?
66. It represents
67. It is a mixture of
68. The separation technique used from Acetone and water is called
69. The following separate
70. The following shows
71. Which of the following are heterogeneous mixtures ?
72. The scattering of beam of light is known as
73. If the both dispersion medium and dispersed phase is liquid then the colloid type is
74. If colloid type is solid sol then the dispersed phase is
75. The atoms which exposed to light energy and emit same part of the light energy in different directions is
76. Which of the following are examples for colloids ?
77. Gel , boot polish are examples for
78. Amount of solute present more , the solution is said to be
79. If the amount of solute present little , the solution is said to be
80. Colloid dispersion is
81. When no more solute can be dissolved in the solution at a certain temperature is aid to be
82. If the amount if solute present in a solution is less than that in the saturated solution is said to be
83. The amount of solute present in a saturated solution at a certain temperature is called its
84. The homogeneous mixture of two or more substances from which we can not separate its components by the process of filtration is called a
85. The component of the solution that dissolves the other component in it is called
86. The component of solution that is dissolved in the solvent is known as
87. Which of the following are not a homogeneous mixtures ?
88. Which of the following are heterogeneous mixture ?
89. Adding sufficient sugar to tea form a
90. All the matter can be classified into 2 types one of them is pure substance and another is
91. The following is example for
92. Which of the following are a example for tyndall effect ?
93. A solution contains 50g of common salt in 200g of water then calculate the concentration in terms of mass by mass percentage of solutions is
94. Mass percentage of solute =
95. Mass by volume percentage of a solution =
96. Adding more salt than the required to water is
97. Which of the following are Heterogeneous mixture ?
98. Which of the following are not a elements?
99. Which of the following are mixture ?
100. Which of the following are immiscible liquids ?

 

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