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Q.

Is it true that evaporation is a surface phenomenon, not a bulk phenomenon?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is true.
Evaporation is a surface phenomenon because the surface water will evaporate from the surface. The kinetic energy of the top molecules will dissipate into the air and the melting process is also an example of a surface phenomenon. The surface is not a bulk phenomenon but boiling is a bulk phenomenon because the heating liquid will heat the entire solution and that’s why it’s called a bulk phenomenon.
 
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Is it true that evaporation is a surface phenomenon, not a bulk phenomenon?