Question

why does our palm fell cold when we put acetone , petrol and 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:

Answer 2

Explanation:

Due to latent heat of vaporisation as these materials take away from body to convert into vapours which cooling effect and our palm fell cold when we put acteone,petrol and perfume on it.