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Chemistry past papers

9701/22/M/J/25 · Chemistry May/June 2025 Paper 22

5 questions, 60 marks. Each one links to its official mark scheme.

  1. Question 1 · 16 marks · Lattice structures, Structure and properties, Period 3 chlorides with water, Explaining Period 3 trends, Period 3 oxides and hydroxides
  2. Question 2 · 10 marks · Relative masses of atoms and molecules, Mass spectrometry, Electrons, energy levels and atomic orbitals, Particles in the atom and atomic radius
  3. Question 3 · 16 marks · Characteristic organic reactions, Addition polymers and the bromine test, Limiting reagents and stoichiometry, Rate of reaction, Bond energies, Homogeneous and heterogeneous catalysts, Oxidising alkenes
  4. Question 4 · 13 marks · Carboxylic acids, Combustion, halogenation and sodium, Nucleophilic substitution reactions, Nitriles and hydroxynitriles, Shapes of organic molecules; σ and π bonds, Oxidation and reduction, Oxidising alcohols, Iodoform test and acidity
  5. Question 5 · 5 marks · Organic formulas and naming, Solution concentrations, Infrared spectroscopy

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