What is the process called when a liquid changes to vapor below its boiling point?
A
Evaporation
B
Sublimation
C
Condensation
D
Boiling
Correct Answer: Option A — Evaporation
Explanation:
Evaporation is the process where liquid molecules at the surface gain enough energy to escape into the gas phase below the boiling point. It occurs at any temperature and increases with higher surface area and temperature.