Assertion: During evaporation of liquid the temperature of the liquid remains unaffected.

Reason: Kinetic energy of the molecules is directly proportional to temperature.

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Both assertion and reason are correct and the reason is the correct explanation for the assertion

Both assertion and reason are correct but the reason is not the correct explanation for the assertion

The assertion is correct but the reason is incorrect

The assertion is incorrect but the reason is correct

answer is D.

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Detailed Solution

Assertion: During the evaporation of liquid, the temperature is decreased.
In the process of evaporation of liquid the temperature of the liquid decrease because the surface molecules while evaporating take some amount of energy from the other molecules of a liquid. Thus, evaporation causes cooling of the liquid.
Reason: We know that the kinetic energy of the molecules is directly proportional to temperature. The formula of kinetic energy is given as