Question

which of the following processes occurs when a substance changes phase from solid directly to vapor? a condensation b sublimation c evaporation d distillation

Explanation:

• Condensation is the process of a gas turning into a liquid.
• Sublimation is when a solid directly changes to a vapor.
• Evaporation is a liquid turning into a gas (usually from the surface of the liquid).
• Distillation is a separation process based on differences in boiling points.

Answer:

B. sublimation