Question

why does our Palm feel cold when we put some acetone or petrol or perfume on it​

Answer 1

Answer:

this is because of evaporation

Explanation:

evaporation is a cooling process in which the molecules with the higher kinetic energy leaves and the molecules with low kinetic energy are left behind, this lowers the temperature and hence our palm feels cold

Answer 2

Answer: our palm feels cold when we put acettone or perfume on it due to the following reason:-

Explanation: as acetone has a very low boiling point, it vapourises as it is put on our hand

During evaporation the acetone particles absorb heat from our hands and the surroundings thus making the surroundings cool.

thus, evaporation causes cooling is the simple answer.

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