7. Exothermic
condensation
sublimation
melting
boiling
8. For a given substance, the most exothermic phase change
boiling
freezing
condensation
deposition
9. Which of the following has the lowest melting point?
CF4
CCl4
CBr4
Cl4
10. Highest boiling point:
CH3CH3
CH3OH
CHCl3
CH3OCH3
11. Most polar:
Cl-S
Cl-Se
Cl-Te