Question

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

Answer 1

HEY!!

When we put some acetone or petrol or perfume on our palm, it evaporates. During evaporation, particles of the liquid absorb energy from the surrounding or 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.

Answer 2

hy
here is your answer
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Due to latent heat of vaporisation as these materials take away heat from our body to convert into vapours which gives cooling effect and our palm feel cold when we put some acetone or petrol or perfume on it...