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Chemistry · Edexcel 1CH0 · Paper 1 · Higher · June 2023

Edexcel GCSE Chemistry Paper 1 Higher June 2023 examiner report (1CH0/1H)

1h 45m 100 marks

Examiner report

  1. Q1 - 6 marks - Chemical cells and batteries, Fuel cells, Subatomic particles
  2. Q2 - 9 marks - The pH scale and neutralisation
  3. Q3 - 9 marks - Reactivity of metals, The pH scale and neutralisation
  4. Q4 - 11 marks - Amounts of substance in equations, Atom economy, Percentage yield, Transition metals
  5. Q5 - 10 marks - Dynamic equilibrium, The effect of changing conditions on equilibrium, The Haber process
  6. Q6 - 9 marks - Electrolysis of aqueous solutions, Moles and amount of substance
  7. Q7 - 11 marks - NPK fertilisers, The pH scale and neutralisation, Titrations
  8. Q8 - 11 marks - Concentration of solutions, Making soluble salts, Mixtures and separation techniques, Oxidation and reduction in terms of electrons, The three states of matter
  9. Q9 - 12 marks - Chromatography, Empirical formulae, Mixtures and separation techniques, Properties of ionic compounds, Properties of small molecules
  10. Q10 - 12 marks - Alloys as useful materials, Corrosion and its prevention, Properties of metals and alloys, Volumes of gases