Question

The graph shows a phase change diagram.
(solid goes from 0-50 on a, b stays at 50, C rises to liquid 150, D stays at 150, and and e rises to 200)


What phase change is taking place as energy is lost at segment BA?
A.
melting

B.
freezing

C.
sublimation

D.
condensation

Answer 1

B. freezing