Which of the following processes occur at the same temperature?
I. Boiling
II. Condensation
III. Sublimation
IV. Evaporation
A) I and IV only
B) I and II only
C) II and III only
D) I, II, and IV only
Explanation
Boiling, condensation, and evaporation all refer to the phase change between gas and liquid. As such, they all occur at the same temperature for a given substance. Thus (D) is the correct answer.
III: Sublimation refers to the phase change between solid and gas.
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