WJEC · GCSE · 3410U10-1, 3410U20-1, 3410U40-1, 3410UA0-1, 3410UB0-1, chemistry-gcse
WJEC GCSE Chemistry past papers
28 WJEC GCSE Chemistry papers from 2017 to 2025, 25 with a mark scheme. Every link opens the document on WJEC'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 WJEC GCSE Chemistry papers we have tagged question by question. Topics with a revision guide link to it.
| Topic | Questions | Marks | Papers |
|---|---|---|---|
| Reactivity, Acids and Salts | 35 | 285 | 16 of 21 |
| The Periodic Table: Groups and Trends | 28 | 225 | 12 of 21 |
| Using the Earth's Resources and Potable Water | 30 | 219 | 14 of 21 |
| Chemistry Required Practicals and Data Analysis | 22 | 195 | 15 of 21 |
| Rates of Reaction | 17 | 154 | 13 of 21 |
| Alkanes, Alkenes and Crude Oil | 14 | 121 | 10 of 21 |
| Chemical Bonding: Ionic, Covalent and Metallic | 14 | 107 | 11 of 21 |
| Atomic Structure and the History of the Atom | 13 | 103 | 10 of 21 |
| Alcohols, Carboxylic Acids and Polymers | 10 | 95 | 6 of 21 |
| Chromatography and Instrumental Analysis | 12 | 93 | 10 of 21 |
| The Atmosphere: Evolution and Greenhouse Gases | 13 | 87 | 12 of 21 |
| Tests for Ions, Gases and Flame Tests | 10 | 80 | 10 of 21 |
| Electrolysis | 10 | 79 | 8 of 21 |
| Reversible Reactions and Equilibrium | 7 | 66 | 7 of 21 |
| Exothermic and Endothermic Reactions | 8 | 64 | 6 of 21 |
Counted from our own question-by-question tagging of 21 papers. A question that tests two topics counts towards both, so the marks column ranks topics rather than adding up to a paper total. Showing the top 15 of 21 topics.
All WJEC GCSE Chemistry papers by year
Summer 2025
| Paper | Tier | Official documents (WJEC) |
|---|---|---|
| Unit 1: Chemical Substances, Reactions & Resources | Foundation | Question paperMark scheme |
| Unit 1: Chemical Substances, Reactions & Resources | Higher | Question paperMark scheme |
| Unit 2: Chemical Bonding, Reactions & Organic Chemistry | Foundation | Question paperMark scheme |
| Unit 2: Chemical Bonding, Reactions & Organic Chemistry | Higher | Question paperMark scheme |
Summer 2024
| Paper | Tier | Official documents (WJEC) |
|---|---|---|
| Unit 1: Chemical Substances, Reactions & Resources | Foundation | Question paperMark scheme |
| Unit 1: Chemical Substances, Reactions & Resources | Higher | Question paperMark scheme |
| Unit 2: Chemical Bonding, Reactions & Organic Chemistry | Foundation | Question paperMark scheme |
| Unit 2: Chemical Bonding, Reactions & Organic Chemistry | Higher | Question paperMark scheme |
Summer 2023
| Paper | Tier | Official documents (WJEC) |
|---|---|---|
| Unit 1: Chemical Substances, Reactions & Resources | Foundation | Question paperMark scheme |
| Unit 1: Chemical Substances, Reactions & Resources | Higher | Question paperMark scheme |
| Unit 2: Chemical Bonding, Reactions & Organic Chemistry | Foundation | Question paperMark scheme |
| Unit 2: Chemical Bonding, Reactions & Organic Chemistry | Higher | Question paperMark scheme |
Summer 2022
| Paper | Tier | Official documents (WJEC) |
|---|---|---|
| Unit 1: Chemical Substances, Reactions & Resources | Foundation | Question paperMark scheme |
| Unit 1: Chemical Substances, Reactions & Resources | Higher | Question paperMark scheme |
| Unit 2: Chemical Bonding, Reactions & Organic Chemistry | Foundation | Question paperMark scheme |
| Unit 2: Chemical Bonding, Reactions & Organic Chemistry | Higher | Question paperMark scheme |
| Unit 2: Chemical Bonding, Reactions & Organic Chemistry (Contingency) | Foundation | Question paperMark scheme |
| Unit 2: Chemical Bonding, Reactions & Organic Chemistry (Contingency) | Higher | Question paperMark scheme |
Summer 2019
| Paper | Tier | Official documents (WJEC) |
|---|---|---|
| Unit 1: Chemical Substances, Reactions & Resources | Foundation | Question paperMark scheme |
| Unit 1: Chemical Substances, Reactions & Resources | Higher | Question paperMark scheme |
| Unit 2: Chemical Bonding, Reactions & Organic Chemistry | Foundation | Question paperMark scheme |
| Unit 2: Chemical Bonding, Reactions & Organic Chemistry | Higher | Question paperMark scheme |
Summer 2018
| Paper | Tier | Official documents (WJEC) |
|---|---|---|
| Unit 1: Chemical Substances, Reactions & Resources | Foundation | Question paper |
| Unit 1: Chemical Substances, Reactions & Resources | Higher | Question paperMark scheme |
| Unit 2: Chemical Bonding, Reactions & Organic Chemistry | Foundation | Question paper |
| Unit 2: Chemical Bonding, Reactions & Organic Chemistry | Higher | Question paperMark scheme |
Summer 2017
| Paper | Tier | Official documents (WJEC) |
|---|---|---|
| Unit 1: Chemical Substances, Reactions & Resources | Foundation | Question paper |
| Unit 1: Chemical Substances, Reactions & Resources | Higher | Question paperMark scheme |
Revise before you sit one
GCSE Chemistry past papers from other boards
- AQA GCSE Chemistry30 papers
- CCEA GCSE Chemistry56 papers
- Edexcel GCSE Chemistry24 papers
- OCR GCSE Chemistry64 papers
Other WJEC GCSE 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.