Question

Th what happen when you pour some acetone on your palm

Answer 1

it evaporates and makes ur palm very cold.
it produces a cooling effect because acetone is very volatile and has very low boiling temperature.

Answer 2

acetone has very low boiling temperature , when we put some acetone on your Palm the particles of it gain energy from our Palm and evaporates quickly which causes cooling on our Palm.
hope it helps you..........