5070/22/M/J/23 · O Level Chemistry May/June 2023 Paper 22
10 questions, 80 marks. Each one links to its official mark scheme.
- Question 1 · 6 marks · Oxides, Extraction of metals, The characteristic properties of acids and bases, Redox
- Question 2 · 8 marks · Group VII properties, Redox, Diffusion
- Question 3 · 9 marks · The mole and the Avogadro constant, Separation and purification, Preparation of salts
- Question 4 · 9 marks · Isotopes, Ion and ionic bonds, Formulae, The mole and the Avogadro constant
- Question 5 · 9 marks · Reversible reactions and equilibrium, Rate of reaction
- Question 6 · 8 marks · Exothermic and endothermic reactions
- Question 7 · 10 marks · Formulae, functional groups and terminology, Naming organic compounds, Alkenes, Simple molecules and covalent bonds
- Question 8 · 6 marks · Electrolysis, Giant covalent structures
- Question 9 · 8 marks · The mole and the Avogadro constant, Alkanes, Air quality and climate
- Question 10 · 7 marks · Polymers
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.