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2015-11-20T00:02:51+05:30

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During evaporation, the liquid molecules escapes from the surface of the liquid.

The liquid molecules absorb heat from the surface of the body and escapes to the atmosphere.
So the energy needed for evaporation is taken from our body in the form of heat.
Eg: spirit applied to our body during injections evaporate quickly and make us feel cool on the particular area.

The same principle is used in refrigerators also.
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