What is the name of the process where a solid changes directly to gas?
A
Condensation
B
Sublimation
C
Evaporation
D
Deposition
Correct Answer: Option B — Sublimation
Explanation:
Sublimation occurs when a solid transitions directly to a gaseous state without passing through the liquid phase, as seen with dry ice (solid carbon dioxide). This process is used in freeze-drying food and pharmaceuticals.