Free AP Chemistry Practice Test

Practice Questions for Advanced Placement Chemistry (AP Chemistry)

The Advanced Placement Chemistry (AP Chemistry, AP Chem) examination is offered by the College Board as part of the Advanced Placement program. The exam is designed to give American and Canadian high school students the chance to demonstrate their skills and earn college-level credit.

Our free AP Chemistry practice exam helps candidates revise the complete list of topics for the AP exam. The simulator presents multiple choice questions in a friendly exam format which closely mimics the real exam.


The practice exam covers several areas of Chemistry including states or matter, reactions and structure of matter. As with all our exams, this exam is free for all users. You are also free to take the exam as many times as you wish to improve your chemistry skills and understanding.

The official course material for AP Chemistry is comprised of the following categories:

  • Chemical equilibrium
  • Chemical kinetics
  • Stoichiometry
  • Thermodynamics

States of Matter
  • Gases
  • Liquids
  • Solids
  • Solutions

Structure of Matter
  • Atomic theory, including evidence for atomic theory
  • Chemical bonding, including intermolecular forces(IMF)
  • Nuclear chemistry

The prerequisites by the College Board include completion of High School Chemistry and Algrbra.

The AP Chemistry exam is usually available during May of each year. The exam itself is divided into two major sections – multiple choice and free response essays. The multiple choice section is made up of 75 multiple choice questions. Candidates cannot use a calculator during the multiple choice test, or any reference material.

Our questions are of the form:

Q1. A chemical reaction is the result of collisions of sufficient energy. The rate of reaction is the rate at which these effective collisions occur. In this context , what does the collision frequency depend upon?

A1. how closely the particles are crowded together

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