When thermal energy in a solid is increased, the change in state is called
A
melting
B
evaporation
C
freezing
D
condensation
Verified Correct Answer: A.
Physical Principles & Numerical Solution
When thermal energy is increased, the change in state is called melting (solid to liquid) or vaporization (liquid to gas), depending on the initial and final states of the substance.
Source: WAEC / JAMB / NECO Classroom Archive (Record #70541)