Question

A.
4.
Multiple Choice Questions :
1.
Common salt and camphor can be separated
by
a) Hand-picking (b) Winnowing
(C) Sublimation (d) Sieving

2. Growth of crystals takes place in
(a) Loading (b) Sedimentation
(C) Decantation (d) Evaporation

3.Which of the following methods is used to
separate a solid substance dissolved in water?
(a) Distillation (b) Evaporation
(c) Filtration
(d) Decantation

4.Most materials present in nature are :
(a) Mixtures
(b) Pure elements
(C) Pure Compounds (d) None of these

5.A mixture of tea, sugar and iron fillings can be
separated by
(a) Filtration, sedimentation, decantation
(b) Magnetic separation, winnowing
(c) Hand-picking, sieving
(d) Sieving, winnowing

6.Oil and water are
(a) Homogeneous mixture
(b) Immiscible liquids
(c) Pure mixture
(d) Soluble liquids​

Answer 1

Answer:

a

Explanation:

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Answer 2

Answer:

1. C) Sublimation
2. Dynamic process
3. C) Filtration
4. C) Pure components
5. Iron fillings can be separated by by a magnet.
6. B)Immiscible liquids