Is it true that our palms feel cold when we put some acetone or petrol or perfume on it?

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True

False

answer is A.

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Detailed Solution

The above statement is true.
Being volatile, substances like acetone, gasoline, perfume, etc. evaporate quickly when exposed to bigger surfaces. Acetone, gasoline, and perfume all evaporate when placed on our palms. In order to make up for the energy lost during evaporation, liquid particles absorb energy from the palm's surface, cooling the area. This latent heat of vaporisation is removed from our hands by the acetone, gasoline, or scent. The palm cools as its heat is lost.

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