Question

If a Substances undergoes a Phase change, it has
A:Changed from one substance to another
B:Changed from one location to another
C:Had a change of state
D:Had a change in its boiling point

Help please

Answer 1

C

Answer 2

A phase change is a change from one state of matter to another. Like melting (solid → liquid), freezing (liquid → solid), etc

Answer 3

Thanks