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Chemistry past papers

9701/12/M/J/25 · Chemistry May/June 2025 Paper 12

40 questions, 40 marks. Each one links to its official mark scheme.

  1. Question 1 · 1 mark · Structure and properties
  2. Question 2 · 1 mark · Particles in the atom and atomic radius
  3. Question 3 · 1 mark · Temperature and activation energy
  4. Question 4 · 1 mark · Kc and Kp
  5. Question 5 · 1 mark · Oxidation numbers
  6. Question 6 · 1 mark · Hess’s law
  7. Question 7 · 1 mark · Shapes of molecules
  8. Question 8 · 1 mark · Haber and Contact processes
  9. Question 9 · 1 mark · Rate of reaction
  10. Question 10 · 1 mark · Intermolecular forces
  11. Question 11 · 1 mark · Limiting reagents and stoichiometry
  12. Question 12 · 1 mark · Gases and pV = nRT
  13. Question 13 · 1 mark · Enthalpy change definitions
  14. Question 14 · 1 mark · Particles in the atom and atomic radius
  15. Question 15 · 1 mark · Organic formulas and naming
  16. Question 16 · 1 mark · Period 3 oxides and hydroxides
  17. Question 17 · 1 mark · Physical properties of the Group 17 elements
  18. Question 18 · 1 mark · Period 3 chlorides with water
  19. Question 19 · 1 mark · Group 2 trends and solubility
  20. Question 20 · 1 mark · Some reactions of the halide ions
  21. Question 21 · 1 mark · Brønsted–Lowry theory of acids and bases
  22. Question 22 · 1 mark · Period 3 physical properties
  23. Question 23 · 1 mark · Gas volumes
  24. Question 24 · 1 mark · Nitrogen oxides and pollution
  25. Question 25 · 1 mark · SN1 and SN2
  26. Question 26 · 1 mark · Addition polymerisation
  27. Question 27 · 1 mark · Tests for carbonyls
  28. Question 28 · 1 mark · Nucleophilic substitution reactions
  29. Question 29 · 1 mark · Esters
  30. Question 30 · 1 mark · Oxidising alcohols
  31. Question 31 · 1 mark · Tests for carbonyls
  32. Question 32 · 1 mark · Combustion, halogenation and sodium
  33. Question 33 · 1 mark · Reactivity and C–X bond strength
  34. Question 34 · 1 mark · Carboxylic acids
  35. Question 35 · 1 mark · Alkanes
  36. Question 36 · 1 mark · Electrophilic addition
  37. Question 37 · 1 mark · Oxidising alkenes
  38. Question 38 · 1 mark · Cis/trans isomerism
  39. Question 39 · 1 mark · Finding isomerism in a structure
  40. Question 40 · 1 mark · Mass spectrometry

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