College Board · AP Chemistry

AP Chemistry practice questions

Free practice questions for every unit of AP Chemistry — each with worked answers and explanations. Pick a unit to revise, then jump into an interactive quiz that tracks your score.

Start an interactive quiz →
Unit 1
Atomic Structure and Properties
868 practice questions → Unit 2
Molecular and Ionic Compound Structure and Properties
846 practice questions → Unit 3
Intermolecular Forces and Properties
576 practice questions → Unit 4
Chemical Reactions
1004 practice questions → Unit 5
Kinetics
610 practice questions → Unit 6
Thermodynamics
540 practice questions → Unit 7
Equilibrium
542 practice questions → Unit 8
Acids and Bases
460 practice questions → Unit 9
Applications of Thermodynamics
498 practice questions →