Question

the phase change in which a substance changes from a soild toa gas or vapor without changing to a liquid first is

Answer 1

It is called deposition when it goes from solid to gas without being a liquid

Answer 2

SUBLIMATION

is the phase change in which a substance changes from a solid to a gas or vapor without changing to a liquid first. When a gas or vapor changes directly into a solid without first changing to a liquid, the phase change is called deposition.