OCR · A Level · H432, H433
OCR A Level Chemistry past papers
54 OCR A Level Chemistry papers from 2017 to 2025, 53 with a mark scheme and 47 with an examiners' report. Every link opens the document on OCR's own website; we list them in one place and show which topics each series tested.
Which topics come up most
The topics that have carried the most marks across the OCR A Level Chemistry papers we have tagged question by question. Topics with a revision guide link to it.
| Topic | Questions | Marks | Papers |
|---|---|---|---|
| Organic Chemistry | 94 | 515 | 15 of 24 |
| Chemistry: Aromatic Chemistry, Carbonyls and Amines | 60 | 418 | 10 of 24 |
| Chemistry: Rate Equations and Equilibrium | 38 | 295 | 13 of 24 |
| Chemistry: Electrode Potentials and Transition Metals | 35 | 251 | 14 of 24 |
| The Periodic Table and Inorganic Chemistry | 30 | 213 | 13 of 24 |
| Kinetics and Equilibria | 27 | 199 | 10 of 24 |
| Atomic Structure | 52 | 192 | 17 of 24 |
| Bonding and Structure | 29 | 190 | 19 of 24 |
| Energetics and Thermodynamics | 25 | 162 | 13 of 24 |
| A-Level Chemistry: Required Practicals and Practical Skills | 16 | 159 | 12 of 24 |
| Redox and Electrochemistry | 22 | 124 | 11 of 24 |
| Analytical Techniques | 32 | 84 | 9 of 24 |
Counted from our own question-by-question tagging of 24 papers. A question that tests two topics counts towards both, so the marks column ranks topics rather than adding up to a paper total.
All OCR A Level Chemistry papers by year
June 2025
| Paper | Official documents (OCR) |
|---|---|
| Paper 1: Fundamentals of chemistry | Question paperMark schemeExaminers' report |
| Paper 1: Periodic table elements and physical chemistry | Question paperMark schemeExaminers' report |
| Paper 2: Scientific literacy in chemistry | Question paperMark schemeInsertExaminers' report |
| Paper 2: Synthesis and analytical techniques | Question paperMark schemeExaminers' report |
| Paper 3: Practical skills in chemistry | Question paperMark schemeInsertExaminers' report |
| Paper 3: Unified chemistry | Question paperMark schemeExaminers' report |
June 2024
| Paper | Official documents (OCR) |
|---|---|
| Paper 1: Fundamentals of chemistry | Question paperMark schemeExaminers' report |
| Paper 1: Periodic table elements and physical chemistry | Question paperMark schemeExaminers' report |
| Paper 2: Synthesis and analytical techniques | Question paperMark schemeExaminers' report |
| Paper 3: Practical skills in chemistry | Question paperMark schemeInsertExaminers' report |
| Paper 3: Unified chemistry | Question paperMark schemeExaminers' report |
January 2024
| Paper | Official documents (OCR) |
|---|---|
| Paper 2: Scientific literacy in chemistry | Question paper |
June 2023
| Paper | Official documents (OCR) |
|---|---|
| Paper 1: Fundamentals of chemistry | Question paperMark schemeExaminers' report |
| Paper 1: Periodic table elements and physical chemistry | Question paperMark schemeExaminers' report |
| Paper 2: Scientific literacy in chemistry | Question paperMark schemeInsertExaminers' report |
| Paper 2: Synthesis and analytical techniques | Question paperMark schemeExaminers' report |
| Paper 3: Practical skills in chemistry | Question paperMark schemeInsertExaminers' report |
| Paper 3: Unified chemistry | Question paperMark schemeExaminers' report |
June 2022
| Paper | Official documents (OCR) |
|---|---|
| Paper 1: Fundamentals of chemistry | Question paperMark schemeExaminers' report |
| Paper 1: Periodic table elements and physical chemistry | Question paperMark schemeExaminers' report |
| Paper 2: Scientific literacy in chemistry | Question paperMark schemeInsertExaminers' report |
| Paper 2: Synthesis and analytical techniques | Question paperMark schemeExaminers' report |
| Paper 3: Practical skills in chemistry | Question paperMark schemeInsertExaminers' report |
| Paper 3: Unified chemistry | Question paperMark schemeExaminers' report |
November 2021
| Paper | Official documents (OCR) |
|---|---|
| Paper 1: Fundamentals of chemistry | Question paperMark schemeExaminers' report |
| Paper 1: Periodic table elements and physical chemistry | Question paperMark schemeExaminers' report |
| Paper 2: Scientific literacy in chemistry | Question paperMark schemeInsertExaminers' report |
| Paper 2: Synthesis and analytical techniques | Question paperMark schemeExaminers' report |
| Paper 3: Practical skills in chemistry | Question paperMark schemeInsertExaminers' report |
| Paper 3: Unified chemistry | Question paperMark schemeExaminers' report |
November 2020
| Paper | Official documents (OCR) |
|---|---|
| Paper 1: Fundamentals of chemistry | Question paperMark schemeExaminers' report |
| Paper 1: Periodic table elements and physical chemistry | Question paperMark schemeExaminers' report |
| Paper 2: Scientific literacy in chemistry | Question paperMark schemeInsertExaminers' report |
| Paper 2: Synthesis and analytical techniques | Question paperMark schemeExaminers' report |
| Paper 3: Practical skills in chemistry | Question paperMark schemeInsertExaminers' report |
| Paper 3: Unified chemistry | Question paperMark schemeExaminers' report |
June 2019
| Paper | Official documents (OCR) |
|---|---|
| Paper 1: Fundamentals of chemistry | Question paperMark schemeExaminers' report |
| Paper 1: Periodic table elements and physical chemistry | Question paperMark schemeExaminers' report |
| Paper 2: Scientific literacy in chemistry | Question paperMark schemeInsertExaminers' report |
| Paper 2: Synthesis and analytical techniques | Question paperMark schemeExaminers' report |
| Paper 3: Practical skills in chemistry | Question paperMark schemeInsertExaminers' report |
| Paper 3: Unified chemistry | Question paperMark schemeExaminers' report |
June 2018
| Paper | Official documents (OCR) |
|---|---|
| Paper 1: Fundamentals of chemistry | Question paperMark schemeExaminers' report |
| Paper 1: Periodic table elements and physical chemistry | Question paperMark schemeExaminers' report |
| Paper 2: Scientific literacy in chemistry | Question paperMark schemeInsertExaminers' report |
| Paper 2: Synthesis and analytical techniques | Question paperMark schemeExaminers' report |
| Paper 3: Practical skills in chemistry | Question paperMark schemeInsertExaminers' report |
| Paper 3: Unified chemistry | Question paperMark schemeExaminers' report |
June 2017
| Paper | Official documents (OCR) |
|---|---|
| Paper 1: Fundamentals of chemistry | Question paperMark scheme |
| Paper 1: Periodic table elements and physical chemistry | Question paperMark scheme |
| Paper 2: Scientific literacy in chemistry | Question paperMark scheme |
| Paper 2: Synthesis and analytical techniques | Question paperMark scheme |
| Paper 3: Unified chemistry | Question paperMark scheme |
| Paper 3: Practical skills in chemistry | Question paperMark schemeInsert |
Revise before you sit one
A Level Chemistry past papers from other boards
- AQA A Level Chemistry27 papers
- CCEA A Level Chemistry34 papers
- Edexcel A Level Chemistry27 papers
- Eduqas A Level Chemistry27 papers
- WJEC A Level Chemistry30 papers
Other OCR A Level past papers
Practise the questions, not just the papers.
The past-paper tool lists every indexed Chemistry question by topic, with its paper, question number, marks and page, so you can sit only the ones you need.