Question

what is sublimation? name two substance which undergo sublimation​

Answer 1

Explanation:

Sublimation is the transition of a substance directly from the solid to the gas phase, without passing through the intermediate liquid phase. ... The reverse process of sublimation is deposition or desublimation, in which a substance passes directly from a gas to a solid phase.

Carbon dioxide undergoes sublimation at normal atmospheric pressure. It's called "dry ice" because no liquid is produced as the solid transforms to gas.

Answer 2

Answer:

the process in which a solid directly changes into gas or vice-versa is called as sublimation reaction.

example;

ammonium chloride naphthalene balls