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Chemistry · Edexcel 1CH0 · Paper 1 · Higher · November 2021

Edexcel GCSE Chemistry Paper 1 Higher November 2021 examiner report (1CH0/1H)

1h 45m 100 marks

Examiner report

  1. Q1 - 7 marks - Conservation of mass and balanced equations, Percentage yield
  2. Q2 - 9 marks - Empirical formulae, Reactions of acids, The pH scale and neutralisation
  3. Q3 - 9 marks
  4. Q4 - 11 marks - Alloys as useful materials, Corrosion and its prevention
  5. Q5 - 11 marks - Electrolysis, Electrolysis of aqueous solutions
  6. Q6 - 9 marks - Making soluble salts, Mixtures and separation techniques, Moles and amount of substance, Reactions of acids, The effect of changing conditions on equilibrium, The pH scale and neutralisation
  7. Q7 - 11 marks - Extraction of metals and reduction, Mixtures and separation techniques, Moles and amount of substance, Reactivity of metals
  8. Q8 - 11 marks - Fuel cells, The effect of changing conditions on equilibrium, Volumes of gases
  9. Q9 - 11 marks - Chemical bonds, Ionic bonding and ionic compounds, Isotopes and relative atomic mass
  10. Q10 - 11 marks - Concentration of solutions, The pH scale and neutralisation, Titrations