Question

9. A change of state directly from a solid into
a gas or vice versa is called​

Answer 1

Explanation:

change of state when a solid substance skips the liquid phase and moves directly into the gas phase. This occurs because the substance absorbs energy so quickly from the surroundings that melting never occurs.

Answer 2

Answer:

SUBLIMATION

Explanation:

Sublimation is the transition of a substance directly from the solid to the gas state, without passing through the liquid state.

Example - incence stick