Question

Why do our palm feel cold when we put some acetone or petrol or perfume on it ???​

Answer 1

Answer:

When we put some acetone or petrol or perfume on our palm, it evaporates. During evaporation, particles of the liquid absorb energy from the surface of the palm to compensate for the loss of energy, making the surroundings cool. Hence, our palm feels cold when we put some acetone or petrol or perfume on it.

Explanation:

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Answer 2

Answer:

because when any of the mentioned liquids are put on palm, the have to fly away but it needs some energy that these take from our palm in the form of heat, and thus leaves a cooling effect