Edexcel GCSE Combined Science Paper 4: Chemistry 2 Foundation November 2021 examiner report (1SC0/2CF)
Examiner report
- Q1 - 7 marks - Collision theory and activation energy, Factors affecting the rate of reaction, Rate of reaction
- Q2 - 8 marks - Group 0: the noble gases, The periodic table
- Q3 - 9 marks - Empirical formulae, Group 7: the halogens, The periodic table
- Q4 - 12 marks - Catalysts, Covalent bonding, Rate of reaction, Tests for gases
- Q5 - 11 marks - Concentration of solutions, Exothermic and endothermic reactions, Properties of ionic compounds, Reaction profiles
- Q6 - 13 marks - Atmospheric pollutants, Crude oil, hydrocarbons and alkanes, Fractional distillation and petrochemicals, Greenhouse gases and climate change
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