Chemistry

15 August, 23:41

When heat energy is added, two changes are observed:

Change A: Solid changes to a liquid

Change B: Solid changes directly to a gas.

What are the names for phase changes A and B?

A is freezing and B is condensation.

A is freezing and B is sublimation.

A is melting and B is condensation.

Ais melting and B is sublimation.

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