Edexcel GCSE Combined Science Paper 4: Chemistry 2 Foundation November 2020 examiner report (1SC0/2CF)
Examiner report
- Q1 - 8 marks - Greenhouse gases and climate change, The composition and evolution of the atmosphere
- Q2 - 8 marks - Conservation of mass and balanced equations, Exothermic and endothermic reactions, Reaction profiles
- Q3 - 10 marks - Covalent bonding, Group 7: the halogens, Properties of ionic compounds, Properties of small molecules
- Q4 - 9 marks - Amounts of substance in equations, Cracking and alkenes, Fractional distillation and petrochemicals, Properties of hydrocarbons
- Q5 - 12 marks - Electronic structure, Group 1: the alkali metals, Group 7: the halogens, Ionic bonding and ionic compounds, Properties of small molecules
- Q6 - 13 marks - Collision theory and activation energy, Factors affecting the rate of reaction, Rate of reaction
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