5070/22/O/N/22 · O Level Chemistry October/November 2022 Paper 22
9 questions, 85 marks. Each one links to its official mark scheme.
- Question 1 · 5 marks · Transition elements, Uses of metals, Air quality and climate, Extraction of metals, Arrangement of elements
- Question 2 · 9 marks · Simple molecules and covalent bonds, Water, Group VII properties, Solids, liquids and gases
- Question 3 · 10 marks · Formulae, functional groups and terminology, Naming organic compounds, Fuels, Alkenes, The mole and the Avogadro constant
- Question 4 · 10 marks · Fertilisers, The mole and the Avogadro constant, The characteristic properties of acids and bases, Exothermic and endothermic reactions
- Question 5 · 11 marks · Redox, Identification of ions and gases, Electrolysis, Ion and ionic bonds, Extraction of metals, Uses of metals
- Question 6 · 10 marks · Air quality and climate, Reversible reactions and equilibrium, Formulae, The characteristic properties of acids and bases
- Question 7 · 10 marks · Formulae, Naming organic compounds, Carboxylic acids, Polymers
- Question 8 · 10 marks · Metallic bonding, Reactivity series, Isotopes, Formulae, Preparation of salts, Reversible reactions and equilibrium
- Question 9 · 10 marks · The mole and the Avogadro constant, Rate of reaction, Alloys and their properties, Electrolysis
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.