O Level Chemistry past papers

5070/12/O/N/22 · O Level Chemistry October/November 2022 Paper 12

39 questions, 39 marks. Each one links to its official mark scheme.

1. Question 1 · 1 mark · Experimental design
2. Question 2 · 1 mark · Experimental design
3. Question 3 · 1 mark · Identification of ions and gases
4. Question 4 · 1 mark · Solids, liquids and gases
5. Question 5 · 1 mark · Oxides
6. Question 6 · 1 mark · Atomic structure and the Periodic Table
7. Question 7 · 1 mark · Ion and ionic bonds
8. Question 8 · 1 mark · Atomic structure and the Periodic Table
9. Question 9 · 1 mark · Formulae
10. Question 10 · 1 mark · Simple molecules and covalent bonds
11. Question 11 · 1 mark · Simple molecules and covalent bonds
12. Question 12 · 1 mark · Formulae
13. Question 13 · 1 mark · The mole and the Avogadro constant
14. Question 14 · 1 mark · Formulae
15. Question 15 · 1 mark · The mole and the Avogadro constant
16. Question 16 · 1 mark · Electrolysis
17. Question 17 · 1 mark · Electrolysis
18. Question 19 · 1 mark · Exothermic and endothermic reactions
19. Question 20 · 1 mark · Exothermic and endothermic reactions
20. Question 21 · 1 mark · Rate of reaction
21. Question 22 · 1 mark · Rate of reaction
22. Question 23 · 1 mark · Rate of reaction
23. Question 24 · 1 mark · Redox
24. Question 25 · 1 mark · Redox
25. Question 26 · 1 mark · Reversible reactions and equilibrium
26. Question 27 · 1 mark · The characteristic properties of acids and bases
27. Question 28 · 1 mark · The characteristic properties of acids and bases
28. Question 29 · 1 mark · Preparation of salts
29. Question 30 · 1 mark · Preparation of salts
30. Question 31 · 1 mark · Reversible reactions and equilibrium
31. Question 32 · 1 mark · Noble gases
32. Question 33 · 1 mark · Extraction of metals
33. Question 34 · 1 mark · Formulae
34. Question 35 · 1 mark · Water
35. Question 36 · 1 mark · Alkanes
36. Question 37 · 1 mark · Alcohols
37. Question 38 · 1 mark · Carboxylic acids
38. Question 39 · 1 mark · Polymers
39. Question 40 · 1 mark · Polymers

Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.