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