Source: College Board — AP Chemistry, Free-response questions, 2026
AP Chem · Reactions
Unit 4: Chemical Reactions
23 questions from past AP exams, newest first.
Source: College Board — AP Chemistry, Free-response questions, 2024
Source: College Board — AP Chemistry, Free-response questions, 2024
Source: College Board — AP Chemistry, Free-response questions, 2023
Source: College Board — AP Chemistry, Free-response questions, 2023
Stuck on Unit 4: Chemical Reactions?
Our tutors clear up your doubts one to one — online, or in person with a local tutor.
Source: College Board — AP Chemistry, Free-response questions, 2022
Source: College Board — AP Chemistry, Free-response questions, 2022
Source: College Board — AP Chemistry, Free-response questions, 2021
Source: College Board — AP Chemistry, Free-response questions, 2019
Source: College Board — AP Chemistry, Free-response questions, 2019
Stuck on Unit 4: Chemical Reactions?
Our tutors clear up your doubts one to one — online, or in person with a local tutor.
Source: College Board — AP Chemistry, Free-response questions, 2018
Source: College Board — AP Chemistry, Free-response questions, 2018
Source: College Board — AP Chemistry, Free-response questions, 2017
Source: College Board — AP Chemistry, Free-response questions, 2017
Source: College Board — AP Chemistry, Free-response questions, 2016
Stuck on Unit 4: Chemical Reactions?
Our tutors clear up your doubts one to one — online, or in person with a local tutor.
Source: College Board — AP Chemistry, Free-response questions, 2016
Source: College Board — AP Chemistry, Free-response questions, 2015
Source: College Board — AP Chemistry, Free-response questions, 2013
Source: College Board — AP Chemistry, Free-response questions, 2012
Source: College Board — AP Chemistry, Free-response questions, 2011
Stuck on Unit 4: Chemical Reactions?
Our tutors clear up your doubts one to one — online, or in person with a local tutor.
Source: College Board — AP Chemistry, Free-response, form B, 2011
Source: College Board — AP Chemistry, Free-response questions, 2010
Source: College Board — AP Chemistry, Free-response, form B, 2010
Stuck on Unit 4: Chemical Reactions?
Our tutors clear up your doubts one to one — online, or in person with a local tutor.