Question

Multiple Choice Questions (Choose the correct option).
1. Impurities present in water can be separated by
(a) Sieving
(b) Condensation (c) Winnowing (d) Filtration
2. In summer, the pond dries up by the process of
(a) Evaporation (b) Decantation (e) Loading (d) Filtration
3. A commonly used chemical for loading is
(a) Sugar
(b) Common salt (c) Chalk
(d) Alum
4. Iron is separated from a mixture of sulphur and iron by
(a) Magnet
(b) Winnowing (@) Sieving
(d) Hand-picking
5. Which of the following can dissolve in water
(a) Only solids (6) Only liquids (c) Only gases (d) All
6. A solution of salt in water is a
(a) Compound
(b) Element
(c) Homogeneous mixture
(d) Heterogeneous mixture
7. Kerosene and water can be separated from a mixture by
(a) Filtration
(6) Decantation (c) Sieving (d) Loading
8. Rain is a good example of the process of
(a) Loading
(b) Evaporation (e) Filtration (d) Sieving​

Answer 1

Answer:

1. d) filtration
2. a) Evaporatin

4. a) magnet

5. d) all

6. c) homogeneous

7. b) decantation

8. b) Evaporatin

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Answer 2

Answer:

rain is a good example of the process of