Edexcel GCSE Combined Science Paper 3: Chemistry 1 Higher June 2022 examiner report (1SC0/1CH)
Examiner report
- Q1 - 9 marks - The pH scale and neutralisation
- Q2 - 8 marks - Electronic structure, Metallic bonding, Properties of ionic compounds, Reactions of acids, Relative formula mass
- Q3 - 9 marks - Electrolysis of aqueous solutions
- Q4 - 9 marks - Extraction of metals and reduction, Ionic bonding and ionic compounds, Oxidation and reduction in terms of electrons, Reactivity of metals
- Q5 - 12 marks - Chemical bonds, Diamond, graphite, graphene and fullerenes, Properties of ionic compounds, Properties of small molecules
- Q6 - 13 marks - Amounts of substance in equations, Moles and amount of substance, Reactivity of metals, Relative formula mass
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