Chemistry Past Papers
GCSE Chemistry past papers examine atomic structure, bonding, quantitative chemistry, chemical changes, energy changes, rate of reaction, organic chemistry, and chemical analysis. Available in Foundation and Higher tiers, papers test understanding of chemical equations, practical skills, and data interpretation. Topics include the periodic table, electrolysis, hydrocarbons, and atmosphere composition.
Chemistry Revision Guide — 2026 Exams
Preparing for your Chemistry GCSE in 2026? Below you’ll find exam tips from experienced teachers, a topic checklist, grade boundary guidance, and common mistakes to avoid. Use this alongside our past papers for the best results.
Top Exam Tips for Chemistry
1. Master balancing equations
This skill underpins so many Chemistry questions. If you can balance equations confidently, you'll find calculations, reactions, and electrolysis questions much more manageable.
2. Learn the reactivity series by heart
The reactivity series (potassium down to gold) is essential for predicting displacement reactions, extraction methods, and metal reactivity. Use a mnemonic to memorise it.
3. Show units in every calculation
Chemistry calculations require correct units. Always include them in your working and make sure your final answer uses the units the question asks for.
4. Know your required practicals inside out
Questions on chromatography, electrolysis, temperature changes, and titrations appear frequently. Know the method, equipment, and how to handle errors.
5. Draw dot-and-cross diagrams carefully
Bonding questions are worth lots of marks. Make sure you show only outer shell electrons, use dots for one atom and crosses for the other, and draw the brackets and charges for ionic bonding.
Chemistry Grade Boundaries — What to Expect
Chemistry grade boundaries tend to be slightly lower than Biology and Physics because students generally find it harder. A grade 4 typically requires 30-40%, a grade 7 around 55-65%, and a grade 9 needs 70-80% on Higher tier. The maths content in Chemistry (moles, relative formula mass, concentration) often catches students out, so practise these calculations.
Note: Exact grade boundaries are set after marking each year and published on results day. The figures above are general guidance based on recent series. See our GCSE grades explained guide for more on how the 9-1 system works.
Chemistry Topic Checklist
Use this checklist to make sure you’ve covered every topic before your 2026 exams. Click each section to expand:
Common Mistakes to Avoid
These are the errors examiners see most often. Avoid them and you’ll be ahead of the pack:
✘Confusing atoms, molecules, and ions
✔An atom is a single particle. A molecule is two or more atoms bonded. An ion has gained or lost electrons (so has a charge)
✘Getting oxidation and reduction the wrong way round
✔Remember OIL RIG: Oxidation Is Loss (of electrons), Reduction Is Gain (of electrons)
✘Not balancing equations before attempting calculations
✔An unbalanced equation gives wrong mole ratios, which means your entire calculation will be wrong
✘Confusing exothermic and endothermic
✔Exothermic releases heat (temperature goes up). Endothermic absorbs heat (temperature goes down). Think 'exit' = energy leaves
✘Weak answers on rate of reaction questions
✔Always link back to collision theory: more frequent collisions OR more energetic collisions = faster reaction
Examiner Insights
“Moles calculations are the most commonly failed questions at Higher tier — practise these until they feel automatic.”
“When asked to 'explain' a trend in the periodic table, you must link your answer to atomic structure (number of shells, nuclear charge, shielding).”
“Examiners report that students often confuse 'pure' in chemistry (a single substance) with the everyday meaning (clean/natural).”
Ready to put this into practice?
The best way to prepare for your 2026 Chemistry GCSE is to work through past papers under timed conditions. We’ve got hundreds of free papers with mark schemes from all major exam boards.
All Chemistry Past Papers (20 papers)
Showing 1-20 of 20 papers
| Year | Exam Board | Paper | Tier | Links |
|---|---|---|---|---|
| 2024 | AQA | Chemistry - Paper 1 | Foundation | |
| 2024 | AQA | Chemistry - Paper 1 | Higher | |
| 2024 | AQA | Chemistry - Paper 2 | Higher | |
| 2024 | AQA | Chemistry - Paper 2 | Foundation | |
| 2024 | Edexcel | Chemistry - Paper 1 | Foundation | |
| 2024 | Edexcel | Chemistry - Paper 1 | Higher | |
| 2024 | Edexcel | Chemistry - Paper 2 | Foundation | |
| 2024 | Edexcel | Chemistry - Paper 2 | Higher | |
| 2023 | AQA | Chemistry - Paper 1 | Higher | |
| 2023 | AQA | Chemistry - Paper 1 | Foundation | |
| 2023 | AQA | Chemistry - Paper 2 | Foundation | |
| 2023 | AQA | Chemistry - Paper 2 | Higher | |
| 2023 | Edexcel | Chemistry - Paper 1 | Foundation | |
| 2023 | Edexcel | Chemistry - Paper 1 | Higher | |
| 2023 | Edexcel | Chemistry - Paper 2 | Higher | |
| 2023 | Edexcel | Chemistry - Paper 2 | Foundation | |
| 2022 | Edexcel | Chemistry - Paper 1 | Higher | |
| 2022 | Edexcel | Chemistry - Paper 1 | Foundation | |
| 2022 | Edexcel | Chemistry - Paper 2 | Foundation | |
| 2022 | Edexcel | Chemistry - Paper 2 | Higher |