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Q.

Is it true that temperature remains constant during the melting of ice and evaporation is a surface phenomenon?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is true.
Ice is a form of water in a solid state, while we freeze water it changes into ice, ice melts at room temperature because the melting of ice continues at room temperature. Evaporation is a surface phenomenon because the wet surface of the 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.
 
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