AQA | EDEXCEL | OCR
A-Level Chemistry Past Papers
2017 – 2025 with Mark Schemes & Examiner Reports
Question papers, mark schemes and examiner reports from all three major UK exam boards — including Edexcel International, the route most of our overseas students sit.
How this page works: Exam papers are copyrighted by the exam boards, so instead of hosting copies here, we link you directly to the official board sources and trusted free libraries where every paper and mark scheme is available to download. These links are always up to date.
Choose Your Exam Board
Select the board your school follows. Start with Edexcel International if you study outside the UK.
MOST POPULAR FOR OVERSEAS STUDENTS
Edexcel International (IAL)
Spec code: YCH11 | Units: WCH11 – WCH16
The modular International A-Level most overseas schools follow. January, June and October sittings each year — the largest archive of any A-Level route. Unit 1: structure & bonding, Unit 2: energetics & kinetics, Unit 4: rates & equilibria, Unit 5: transition metals & organic synthesis.
AQA
Spec code: 7405 | Papers: Paper 1 + Paper 2 + Paper 3
Paper 1: Inorganic + physical chemistry. Paper 2: Organic + physical chemistry. Paper 3: Synoptic — any topic, including required-practical questions.
Official AQA Past Papers
Browse AQA papers by year (2019 – 2025)
Edexcel UK (GCE)
Spec code: 9CH0 | Papers: Paper 1 + Paper 2 + Paper 3
Paper 1: Advanced inorganic & physical chemistry. Paper 2: Advanced organic & physical chemistry. Paper 3: General & practical principles — the synoptic paper.
OCR (Chemistry A)
Spec code: H432 | Papers: Paper 01 + Paper 02 + Paper 03
Paper 01: Periodic table, elements & physical chemistry. Paper 02: Synthesis & analytical techniques. Paper 03: Unified chemistry — the synoptic paper.
Years Covered
2024
2023
2022
2021
2020
2019
2018
2017
Coverage begins with the current specifications (first exams 2017 – 2018). Edexcel IAL adds January and October sittings each year, so its archive is the largest. Specimen papers are included in every library above.
How to Use Past Papers Effectively
1
Master units before synoptic papers
Paper 3-style synoptic questions pull from every unit. Nail individual units first, then tackle the unified papers.
2
Mark with the official scheme
A-Level marking is precise — learn the exact phrasing examiners reward, especially for 6-mark extended responses.
3
Drill the required practicals
Every board examines the required practicals indirectly. Attempt those questions untimed until the methods are second nature.
4
Sit full papers under time
Once comfortable, do full papers under strict exam timing — stamina and pacing decide grades at A-Level.
Need 1-on-1 Help with A-Level Chemistry?
Past papers show you what to practice. A tutor shows you how to master it — from unit-by-unit gaps to synoptic-paper technique. Book a personalised lesson and turn weak topics into top grades.