Question

why dry ice doesn't wet the surface on which it is kept?

Answer 1

The reason that dry ice does not wet the surface on which it is stored is because dry ice is not made of water, but instead it is made with Carbon Dioxide. Because of the state of matter CO2 is at room temperature, it goes directly from a solid to a gas in a process called sublimation.

Answer 2

because dry ice undergoes sublimation nd it directly get converted into carbon dioxide.