Question

Give reason your palm feel cold when you put some acetone or petrol or perfume on it

Answer 1

Answer:

Due to evaporation.

Explanation:

During evaporation the average kinetic energy is decreases.

Average k.E is directly proportional to the temperature.

Its means the temperature is also decreases. And hence it will gives a cooling effect..

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Answer 2

Answer:

this increases the liquid molecules around it in vapour phase thus palm feel cold. acetone petrol, or perfume has very low boiling temperature. when we put some acetone on our palm the particles of it gain energy from our palm and evaporate quickly which cause cooling..

i hope it helps you

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