5070/22/M/J/22 · O Level Chemistry May/June 2022 Paper 22
10 questions, 85 marks. Each one links to its official mark scheme.
- Question 1 · 6 marks · Transition elements, Preparation of salts, Group VII properties, Formulae, Redox
- Question 2 · 10 marks · Atomic structure and the Periodic Table, Arrangement of elements, Solids, liquids and gases, Simple molecules and covalent bonds, Formulae, Oxides, The mole and the Avogadro constant
- Question 3 · 7 marks · Carboxylic acids, Naming organic compounds, The characteristic properties of acids and bases
- Question 4 · 8 marks · Isotopes, Ion and ionic bonds
- Question 5 · 7 marks · Reversible reactions and equilibrium, Alcohols
- Question 6 · 7 marks · Formulae, Identification of ions and gases, Preparation of salts, Alloys and their properties
- Question 7 · 10 marks · Air quality and climate, Rate of reaction, Redox, Exothermic and endothermic reactions
- Question 8 · 10 marks · Corrosion of metals, Metallic bonding, Electrolysis, The mole and the Avogadro constant
- Question 9 · 10 marks · Formulae, functional groups and terminology, Fuels, Alkanes, The mole and the Avogadro constant
- Question 10 · 10 marks · Formulae, Preparation of salts, Acid–base titrations, Relative masses of atoms and molecules, Water
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.