Edexcel GCSE Combined Science Paper 3: Chemistry 1 Foundation November 2021 examiner report (1SC0/1CF)
Examiner report
- Q1 - 9 marks - Metals and non-metals, Pure substances, The pH scale and neutralisation, The three states of matter
- Q2 - 9 marks - Extraction of metals and reduction, Oxidation and reduction in terms of electrons, Reactivity of metals, Relative formula mass, Tests for gases
- Q3 - 9 marks
- Q4 - 9 marks - Diamond, graphite, graphene and fullerenes, Electrolysis, Electrolysis of aqueous solutions, The pH scale and neutralisation
- Q5 - 11 marks - Empirical formulae, Reactions of acids, Tests for gases, The pH scale and neutralisation
- Q6 - 13 marks - Mixtures and separation techniques, Potable water, Pure substances, The pH scale and neutralisation
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