5070/22/M/J/21 · O Level Chemistry May/June 2021 Paper 22
9 questions, 85 marks. Each one links to its official mark scheme.
- Question 1 · 6 marks · Formulae, functional groups and terminology, Carboxylic acids, Alkenes, Elements, compounds and mixtures, The characteristic properties of acids and bases
- Question 2 · 11 marks · Air quality and climate, Isotopes, The mole and the Avogadro constant, Solids, liquids and gases
- Question 3 · 10 marks · Polymers, Redox, The characteristic properties of acids and bases, Carboxylic acids
- Question 4 · 8 marks · Ion and ionic bonds, Redox, Preparation of salts, Oxides
- Question 5 · 10 marks · Fuels, Formulae, functional groups and terminology, Alkenes, Reversible reactions and equilibrium, Hydrogen–oxygen fuel cells, Alcohols
- Question 6 · 10 marks · Air quality and climate, Simple molecules and covalent bonds, Rate of reaction, Formulae, The characteristic properties of acids and bases
- Question 7 · 10 marks · The mole and the Avogadro constant, Experimental design, Rate of reaction, Formulae
- Question 8 · 10 marks · Atomic structure and the Periodic Table, Metallic bonding, Properties of metals, Preparation of salts, Electrolysis
- Question 9 · 10 marks · Formulae, functional groups and terminology, Alkenes, Carboxylic acids, Reversible reactions and equilibrium, The mole and the Avogadro constant
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.