O-LevelPhysicsThermal Physics5054/12 · Oct/Nov 2019 · Q181 Mark
A student makes four statements about evaporation and boiling. 1 Both involve an increase in molecular separation. 2 Both occur only at a fixed temperature. 3 Both involve the absorption of thermal energy. 4 Both occur throughout the liquid. Which two statements are correct?
A1 and 4
B2 and 4
C1 and 3
D2 and 3
✓ Correct answer
C: 1 and 3
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