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Question

Four processes are listed.
1. Brownian motion
2. Condensation
3. Diffusion
4. Evaporation
Which processes involve a change of state?


A
1 and 2
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B
1 and 3
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C
2 and 4
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D
3 and 4
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Solution

The correct option is C $$2$$ and $$4$$
Solution:- (C) $$2$$ and $$4$$
In evaporation, liquid changes it's state to gaseous state while in condensation, a gas changes it's state to liquid state.
Hence both involves change of state.

Chemistry

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