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Chemistry · Edexcel 4CH1 · Chemistry Paper 1 · regional · June 2023

Edexcel IGCSE Chemistry Chemistry Paper 1 June 2023 mark scheme 4CH1/1CR

2h 110 marks

Practise the past exam questions by topic

11 questions
  1. Q1 - 6 marks - Oxidation and reduction in terms of electrons, The pH scale and neutralisation, The three states of matter
  2. Q2 - 8 marks - Atoms, elements and compounds, Chromatography, Empirical formulae, Mixtures and separation techniques
  3. Q3 - 8 marks - Ionic bonding and ionic compounds, Isotopes and relative atomic mass, Subatomic particles, The periodic table
  4. Q4 - 8 marks - The composition and evolution of the atmosphere
  5. Q5 - 12 marks - Corrosion and its prevention, Oxidation and reduction in terms of electrons, Reactivity of metals
  6. Q6 - 10 marks - Catalysts, Collision theory and activation energy
  7. Q7 - 11 marks - Alkenes, Amounts of substance in equations, Moles and amount of substance, Properties of hydrocarbons, Pure substances, Tests for gases
  8. Q8 - 5 marks - Diamond, graphite, graphene and fullerenes
  9. Q9 - 13 marks - Conservation of mass and balanced equations, Identification of ions, Ionic bonding and ionic compounds, Properties of ionic compounds
  10. Q10 - 15 marks - Addition polymerisation, Covalent bonding, Cracking and alkenes, Empirical formulae, Properties of small molecules
  11. Q11 - 14 marks - Calorimetry, Enthalpy changes, Exothermic and endothermic reactions, Moles and amount of substance