Cambridge O Level Chemistry 5070
O Level Chemistry past paper questions by topic
Real questions from 2023 to 2026 papers, grouped by the topics of the 2026-2028 syllabus. Pick a topic to see what it asks, how hard it runs and where it turns up, then practise it.
61 topics
- 1 States of matter35 questions · 25 papers · 2023 to 2026
- 2 Atoms, elements and compounds121 questions · 28 papers · 2023 to 2026
- 2.1 Elements, compounds and mixtures11 questions · 10 papers · 2023 to 2026
- 2.2 Atomic structure and the Periodic Table30 questions · 19 papers · 2023 to 2026
- 2.3 Isotopes20 questions · 16 papers · 2023 to 2026
- 2.4 Ion and ionic bonds28 questions · 20 papers · 2023 to 2026
- 2.5 Simple molecules and covalent bonds25 questions · 21 papers · 2023 to 2026
- 2.6 Giant covalent structures19 questions · 18 papers · 2023 to 2026
- 2.7 Metallic bonding13 questions · 11 papers · 2023 to 2026
- 3 Stoichiometry133 questions · 36 papers · 2023 to 2026
- 4 Electrochemistry50 questions · 30 papers · 2023 to 2026
- 5 Chemical energetics44 questions · 35 papers · 2023 to 2026
- 6 Chemical reactions109 questions · 33 papers · 2023 to 2026
- 7 Acids, bases and salts76 questions · 32 papers · 2023 to 2026
- 8 The Periodic Table60 questions · 22 papers · 2023 to 2026
- 8.1 Arrangement of elements15 questions · 13 papers · 2023 to 2026
- 8.2 Group I properties13 questions · 11 papers · 2023 to 2026
- 8.3 Group VII properties16 questions · 15 papers · 2023 to 2026
- 8.4 Transition elements14 questions · 13 papers · 2023 to 2026
- 8.5 Noble gases8 questions · 8 papers · 2024 to 2026
- 9 Metals73 questions · 26 papers · 2023 to 2026
- 9.1 Properties of metals12 questions · 11 papers · 2023 to 2026
- 9.2 Uses of metals7 questions · 7 papers · 2023 to 2026
- 9.3 Alloys and their properties14 questions · 14 papers · 2023 to 2026
- 9.4 Reactivity series19 questions · 16 papers · 2023 to 2026
- 9.5 Corrosion of metals12 questions · 12 papers · 2023 to 2026
- 9.6 Extraction of metals20 questions · 18 papers · 2023 to 2026
- 10 Chemistry of the environment59 questions · 25 papers · 2023 to 2026
- 11 Organic chemistry129 questions · 30 papers · 2023 to 2026
- 11.1 Formulae, functional groups and terminology34 questions · 23 papers · 2023 to 2026
- 11.2 Naming organic compounds9 questions · 9 papers · 2023 to 2025
- 11.3 Fuels13 questions · 13 papers · 2023 to 2026
- 11.4 Alkanes26 questions · 21 papers · 2023 to 2026
- 11.5 Alkenes24 questions · 20 papers · 2023 to 2026
- 11.6 Alcohols31 questions · 24 papers · 2023 to 2026
- 11.7 Carboxylic acids29 questions · 20 papers · 2023 to 2026
- 11.8 Polymers21 questions · 21 papers · 2023 to 2026
- 12 Experimental techniques and chemical analysis124 questions · 38 papers · 2023 to 2026
- 12.1 Experimental design38 questions · 24 papers · 2023 to 2026
- 12.2 Acid–base titrations19 questions · 18 papers · 2023 to 2026
- 12.3 Chromatography12 questions · 12 papers · 2023 to 2026
- 12.4 Separation and purification19 questions · 18 papers · 2023 to 2026
- 12.5 Identification of ions and gases48 questions · 38 papers · 2023 to 2026