Is it true that the temperature of the remaining liquid drops when evaporation takes place from the surface?

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True

False

answer is A.

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Detailed Solution

The above statement is true.
Evaporation causes cooling. Evaporation is the process when the surface molecules of the liquid kept in an open container gain higher kinetic energy than the rest of the molecules of that liquid by absorbing the heat of the liquid. These surface molecules get kinetic energy high enough to break away from intermolecular forces of attraction; thus, they separate and get converted into vapours, i.e. attain a gaseous state without reaching the boiling point as these molecules evaporate by absorbing the heat of the liquid, therefore, the temperature of the remaining liquid drops when evaporation takes place from the surface.

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