OCR A Level Chemistry A exam questions and past papers

Free OCR A Level Chemistry A exam questions by topic, with mark schemes, past papers and model answers.

How to use the exam questions

Pick a topic and work through as many questions as you need until it really clicks. Spend extra time on the topics you find hardest, as that is where the biggest improvements come from. Each file includes the mark scheme, so check every answer as you go, see where you lost marks and learn exactly what a full-mark answer looks like.

A-Level Chemistry Flashcards for 2027 Onwards StemUp mark scheme flashcards A-Level Chemistry Flashcards for 2027 Onwards Every answer is written in mark scheme wording, so you learn exactly what examiners give marks for. Then test yourself with the questions here. From £10.99View flashcards

OCR A Level Chemistry A exam questions by topic

Each pack with its mark scheme.

Year 2 modules

OCR A Level Chemistry A
Module 5: Physical Chemistry and Transition ElementsRates, equilibrium, pH, buffers, energy and transition elements
Module 6: Organic Chemistry and AnalysisAromatics, carbonyls, nitrogen compounds, polymers, synthesis and spectroscopy

Extra resources

Useful downloads for the whole course.

AS Level papers

Sit them timed, mark with the mark scheme, then compare with our model answers.

2025 Paper 1AS Level Chemistry A Question paperMark schemeModel answers
2025 Paper 2AS Level Chemistry A Question paperMark schemeModel answers
2024 Paper 1AS Level Chemistry A Question paperMark schemeModel answers
2024 Paper 2AS Level Chemistry A Question paperMark schemeModel answers
2023 Paper 1AS Level Chemistry A Question paperMark schemeModel answers
2023 Paper 2AS Level Chemistry A Question paperMark schemeModel answers
2022 Paper 1AS Level Chemistry A Question paperMark schemeModel answers
2022 Paper 2AS Level Chemistry A Question paperMark schemeModel answers
October 2020 Paper 1AS Level Chemistry A Question paperMark schemeModel answers
October 2020 Paper 2AS Level Chemistry A Question paperMark schemeModel answers
2019 Paper 1AS Level Chemistry A Question paperMark schemeModel answers
2019 Paper 2AS Level Chemistry A Question paperMark schemeModel answers
2018 Paper 1AS Level Chemistry A Question paperMark schemeModel answers
2018 Paper 2AS Level Chemistry A Question paperMark schemeModel answers
2017 Paper 1AS Level Chemistry A Question paperMark schemeModel answers
2017 Paper 2AS Level Chemistry A Question paperMark schemeModel answers
2016 Paper 1AS Level Chemistry A Question paperMark schemeModel answers
2016 Paper 2AS Level Chemistry A Question paperMark schemeModel answers
Specimen Paper 1AS Level Chemistry A Question paperMark schemeModel answers
Specimen Paper 2AS Level Chemistry A Question paperMark schemeModel answers

Past papers

Sit them timed, mark with the mark scheme, then compare with our model answers.

2025 Paper 1A Level Chemistry A Question paperMark schemeModel answers
2025 Paper 2A Level Chemistry A Question paperMark schemeModel answers
2025 Paper 3A Level Chemistry A Question paperMark schemeModel answers
2024 Paper 1A Level Chemistry A Question paperMark schemeModel answers
2024 Paper 2A Level Chemistry A Question paperMark schemeModel answers
2024 Paper 3A Level Chemistry A Question paperMark schemeModel answers
2023 Paper 1A Level Chemistry A Question paperMark schemeModel answers
2023 Paper 2A Level Chemistry A Question paperMark schemeModel answers
2023 Paper 3A Level Chemistry A Question paperMark schemeModel answers
2022 Paper 1A Level Chemistry A Question paperMark schemeModel answers
2022 Paper 2A Level Chemistry A Question paperMark schemeModel answers
2022 Paper 3A Level Chemistry A Question paperMark schemeModel answers
October 2021 Paper 1A Level Chemistry A Question paperMark schemeModel answers
October 2021 Paper 2A Level Chemistry A Question paperMark schemeModel answers
October 2021 Paper 3A Level Chemistry A Question paperMark schemeModel answers
October 2020 Paper 1A Level Chemistry A Question paperMark schemeModel answers
October 2020 Paper 2A Level Chemistry A Question paperMark schemeModel answers
October 2020 Paper 3A Level Chemistry A Question paperMark schemeModel answers
2019 Paper 1A Level Chemistry A Question paperMark schemeModel answers
2019 Paper 2A Level Chemistry A Question paperMark schemeModel answers
2019 Paper 3A Level Chemistry A Question paperMark schemeModel answers
2018 Paper 1A Level Chemistry A Question paperMark schemeModel answers
2018 Paper 2A Level Chemistry A Question paperMark schemeModel answers
2018 Paper 3A Level Chemistry A Question paperMark schemeModel answers
2017 Paper 1A Level Chemistry A Question paperMark schemeModel answers
2017 Paper 2A Level Chemistry A Question paperMark schemeModel answers
2017 Paper 3A Level Chemistry A Question paperMark schemeModel answers
Specimen Paper 1A Level Chemistry A Question paperMark schemeModel answers
Specimen Paper 2A Level Chemistry A Question paperMark schemeModel answers
Specimen Paper 3A Level Chemistry A Question paperMark schemeModel answers

Old specification papers

Exam questions from the previous OCR A Level Chemistry A specification, by unit.

Unit F321: Atoms, Bonds and GroupsAS · old specification Chemistry A Download PDF
Unit F322: Chains, Energy and ResourcesAS · old specification Chemistry A Download PDF
Unit F324: Rings, Polymers and AnalysisA2 · old specification Chemistry A Download PDF
Unit F325: Equilibria, Energetics and ElementsA2 · old specification Chemistry A Download PDF

About OCR A Level Chemistry A

The OCR A Level Chemistry A exam (specification H432) is made up of three written papers. OCR A Level Chemistry A Paper 1, Periodic Table, Elements and Physical Chemistry, covers Modules 1, 2, 3 and 5. Paper 2, Synthesis and Analytical Techniques, covers Modules 1, 2, 4 and 6, including core organic chemistry, organic synthesis and spectroscopy. Papers 1 and 2 last 2 hours 15 minutes each. Paper 3, Unified Chemistry, lasts 1 hour 30 minutes and can test any module on the specification, with a strong focus on practical skills.

More OCR A Level subjects

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