AQA GCSE Chemistry Paper 1 Higher November 2021 examiner report (8462/1H)
Examiner report
- Q1 - 11 marks - Covalent bonding, Diamond, graphite, graphene and fullerenes, Properties of small molecules
- Q2 - 9 marks - Isotopes and relative atomic mass, Subatomic particles, The periodic table
- Q3 - 10 marks - Atom economy, Extraction of metals and reduction, Relative formula mass, The periodic table
- Q4 - 16 marks - Group 1: the alkali metals, Ionic bonding and ionic compounds, Oxidation and reduction in terms of electrons
- Q5 - 10 marks - Making soluble salts, Reactions of acids, Volumes of gases
- Q6 - 8 marks - Properties of metals and alloys, Reactivity of metals
- Q7 - 17 marks - Chemical cells and batteries, Electrolysis, Electrolysis of aqueous solutions, Half equations at electrodes
- Q8 - 10 marks - Bond energy calculations, Reaction profiles, The three states of matter, Volumes of gases
- Q9 - 9 marks - Concentration of solutions, Strong and weak acids, Titrations
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