Edexcel GCSE Combined Science Paper 3: Chemistry 1 Higher June 2023 examiner report (1SC0/1CH)
Examiner report
- Q1 - 9 marks - Making soluble salts, Reactions of acids, The pH scale and neutralisation
- Q2 - 9 marks - Reactivity of metals, Tests for gases, The pH scale and neutralisation
- Q3 - 10 marks
- Q4 - 9 marks - Electrolysis of aqueous solutions, Moles and amount of substance
- Q5 - 11 marks - Concentration of solutions, Making soluble salts, Oxidation and reduction in terms of electrons, Reactions of acids, The three states of matter
- Q6 - 12 marks - Chromatography, Empirical formulae, Mixtures and separation techniques, Properties of ionic compounds, Properties of small molecules, Pure substances
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