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Chemistry · Edexcel 1CH0 · Paper 1 · Foundation · June 2025

Edexcel GCSE Chemistry Paper 1 Foundation June 2025 examiner report (1CH0/1F)

1h 45m 100 marks

Examiner report

  1. Q1 - 6 marks - Tests for gases
  2. Q2 - 7 marks - Chemical cells and batteries, Fuel cells
  3. Q3 - 9 marks - Chromatography, Mixtures and separation techniques, The three states of matter
  4. Q4 - 9 marks - Conservation of mass and balanced equations, Metals and non-metals, Reactivity of metals, Relative formula mass, Tests for gases
  5. Q5 - 9 marks - NPK fertilisers, The pH scale and neutralisation, Titrations
  6. Q6 - 12 marks - Amounts of substance in equations, Concentration of solutions, Extraction of metals and reduction, Oxidation and reduction in terms of electrons
  7. Q7 - 13 marks - Alloys as useful materials, Corrosion and its prevention
  8. Q8 - 13 marks - Electronic structure, Subatomic particles, The periodic table
  9. Q9 - 11 marks - Electrolysis, Making soluble salts, Metallic bonding, Mixtures and separation techniques, Properties of metals and alloys
  10. Q10 - 11 marks - Atom economy, NPK fertilisers, Percentage yield, The pH scale and neutralisation