5070/22/O/N/24 · O Level Chemistry October/November 2024 Paper 22
7 questions, 80 marks. Each one links to its official mark scheme.
- Question 1 · 7 marks · Noble gases, Uses of metals, Atomic structure and the Periodic Table, Ion and ionic bonds, Isotopes
- Question 2 · 14 marks · Extraction of metals, Air quality and climate, Transition elements, Corrosion of metals, Reversible reactions and equilibrium, Formulae
- Question 3 · 6 marks · Electrolysis
- Question 4 · 13 marks · Formulae, functional groups and terminology, Alkanes, Naming organic compounds, Fuels, Alkenes, Exothermic and endothermic reactions
- Question 5 · 17 marks · Formulae, Rate of reaction, The mole and the Avogadro constant, Exothermic and endothermic reactions, Identification of ions and gases, Separation and purification
- Question 6 · 9 marks · Giant covalent structures, Simple molecules and covalent bonds, Redox, The mole and the Avogadro constant
- Question 7 · 14 marks · Formulae, functional groups and terminology, Naming organic compounds, Polymers, Carboxylic acids, Solids, liquids and gases
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.