Question

why does our palm feel cool when we put some acetone perfume or petrol on it give reason​

Answer 1

Answer:

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. The acetone, petrol or perfume take this latent heat of vaporisation from our palm. The palm loses heat and feels cold.

Answer 2

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. The acetone, petrol or perfume take this latent heat of vaporisation from our palm. The palm loses heat and feels cold.