103 Cambridge O Level Chemistry (5070) past papers from 2020 to 2026, listed by exam series. Every paper can be read free and practised with an AI tutor that explains each question step by step.
| Exam board | Cambridge International Education |
|---|---|
| Qualification | Cambridge O Level |
| Syllabus code | 5070 |
| Papers | Paper 11, Paper 12, Paper 21, Paper 22, Paper 31, Paper 32, Paper 41, Paper 42 |
| Exam series | 13 (May/June 2020 to May/June 2026) |
How often each syllabus chapter comes up across the 103 Cambridge O Level Chemistry (5070) papers on Aixampapers — revise these first.
| Topic | Questions | Papers |
|---|---|---|
| Chapter 12: Experimental techniques and chemical analysis | 390 | 95 |
| Chapter 2: Atoms, elements and compounds | 287 | 49 |
| Chapter 11: Organic chemistry | 242 | 65 |
| Chapter 6: Chemical reactions | 238 | 64 |
| Chapter 7: Acids, bases and salts | 223 | 83 |
| Chapter 9: Metals | 190 | 62 |
| Chapter 3: Stoichiometry | 181 | 66 |
| Chapter 8: The Periodic Table | 139 | 51 |
| Chapter 10: Chemistry of the environment | 96 | 48 |
| Chapter 1: States of matter | 84 | 36 |
| Chapter 4: Electrochemistry | 64 | 40 |
| Chapter 5: Chemical energetics | 42 | 32 |
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