Cambridge O Level Chemistry (5070) Paper 21, October/November 2021. Read the question paper free and work through it with an AI tutor that explains every question step by step.
| Exam board | Cambridge International Education |
|---|---|
| Qualification | Cambridge O Level |
| Subject | Chemistry |
| Syllabus code | 5070 |
| Paper | Paper 21 (5070/21) |
| Exam series | October/November 2021 · all 2021 papers |
| Questions | 10 |
| AI explanations | Available for every question |
The questions in this paper cover these Chemistry syllabus chapters:
| Topic | Questions |
|---|---|
| Chapter 2: Atoms, elements and compounds | 2 |
| Chapter 6: Chemical reactions | 3 |
| Chapter 7: Acids, bases and salts | 2 |
| Chapter 8: The Periodic Table | 3 |
| Chapter 9: Metals | 3 |
| Chapter 10: Chemistry of the environment | 1 |
| Chapter 11: Organic chemistry | 2 |
| Chapter 12: Experimental techniques and chemical analysis | 2 |
Every question in 5070 Chemistry Paper 21 — Oct/Nov 2021 and the syllabus topic it tests. Ask the AI tutor about any of them by number, for example "Question 1".
| Question | Topic |
|---|---|
| Question 1 | Chapter 12: Experimental techniques and chemical analysis |
| Question 2 | Chapter 10: Chemistry of the environment |
| Question 3 | Chapter 7: Acids, bases and salts; Chapter 9: Metals |
| Question 4 | Chapter 11: Organic chemistry |
| Question 5 | Chapter 6: Chemical reactions; Chapter 9: Metals |
| Question 6 | Chapter 2: Atoms, elements and compounds; Chapter 6: Chemical reactions; Chapter 8: The Periodic Table |
| Question 7 | Chapter 8: The Periodic Table; Chapter 9: Metals |
| Question 8 | Chapter 11: Organic chemistry |
| Question 9 | Chapter 6: Chemical reactions; Chapter 7: Acids, bases and salts; Chapter 12: Experimental techniques and chemical analysis |
| Question 10 | Chapter 2: Atoms, elements and compounds; Chapter 8: The Periodic Table |
This paper tests 8 syllabus topics: Atoms, elements and compounds (2 questions), Chemical reactions (3 questions), Acids, bases and salts (2 questions), The Periodic Table (3 questions), Metals (3 questions), Chemistry of the environment (1 question), Organic chemistry (2 questions), Experimental techniques and chemical analysis (2 questions).
Yes. Open the paper on Aixampapers and ask the AI tutor about any question: it explains each one step by step, written to what Cambridge examiners give marks for.
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