Question

select the correct answer.
which sentence describes an example of sublimation?
a. dew forms on leaves on a cold morning.
b. liquid deodorant sprayed on a persons body evaporates.
c. dry ice changes to carbon dioxide gas when kept in an open container.
d. ice cream in a bowl melts.
e. water vapor condenses on a cold surface and forms droplets.

Explanation:

• Option A: Dew forming is condensation (gas to liquid), not sublimation.
• Option B: Liquid deodorant evaporating is liquid to gas (evaporation), not sublimation.
• Option C: Dry ice (solid \(CO_2\)) changing to \(CO_2\) gas is solid to gas, which is sublimation.
• Option D: Ice cream melting is solid to liquid (melting), not sublimation.
• Option E: Water vapor condensing is gas to liquid (condensation), not sublimation.

Answer:

C. Dry ice changes to carbon dioxide gas when kept in an open container.