Edexcel GCSE Chemistry Paper 1 Higher November 2020 examiner report (1CH0/1H)
Examiner report
- Q1 - 7 marks - Alloys as useful materials, Moles and amount of substance
- Q2 - 9 marks - Concentration of solutions, Electrolysis, Ionic bonding and ionic compounds, Tests for gases
- Q3 - 9 marks - Covalent bonding, Making soluble salts, Reactions of acids, Relative formula mass, Tests for gases
- Q4 - 11 marks - Atom economy, Percentage yield, Titrations
- Q5 - 9 marks - Chromatography, Mixtures and separation techniques
- Q6 - 11 marks - Empirical formulae, Isotopes and relative atomic mass, Oxidation and reduction in terms of electrons
- Q7 - 11 marks - Fuel cells, The effect of changing conditions on equilibrium, Volumes of gases
- Q8 - 11 marks - Chemical bonds, Electronic structure, Reactivity of metals, Subatomic particles
- Q9 - 11 marks - Reactions of acids, The pH scale and neutralisation
- Q10 - 11 marks - Dynamic equilibrium, NPK fertilisers, The effect of changing conditions on equilibrium
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