Chemistry A Topical Past Paper Questions
OCR AS Chemistry A (H032) past-paper questions organised by topic, free. Each topic below is ranked by how often it’s examined. Sign in for the full topic-segregated question bank and AI worksheets.
Amount of substance
25 questions, 2017 to 2024
Electrons, bonding and structure
25 questions, 2017 to 2024
Hydrocarbons
18 questions, 2017 to 2024
Reaction rates and equilibrium (qualitative)
16 questions, 2017 to 2024
Enthalpy changes
17 questions, 2017 to 2024
Basic concepts
15 questions, 2017 to 2024
Acid–base and redox reactions
15 questions, 2017 to 2024
Alcohols and haloalkanes
12 questions, 2017 to 2024
Practical skills
10 questions, 2017 to 2024
Analytcal techniques (IR and MS)
11 questions, 2017 to 2024
Atoms, compounds, molecules and equations
9 questions, 2017 to 2024
Group 2 and the halogens
8 questions, 2017 to 2024
The periodic table and periodicity
8 questions, 2017 to 2024
Organic synthesis
4 questions, 2023 to 2024
Qualitative analysis
2 questions, 2024
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