- U1.1The nature of substances and chemical reactions — atomic structure, periodic table, ionic and covalent bonding5 questions →
- U1.2Chemical bonding, application of chemical reactions — bonding properties, balanced equations, mole calculations4 questions →
- U1.3Acids and bases, and salts — pH, neutralisation, salt preparation, titrations4 questions →
- U1.4Metals and their extraction — reactivity, redox, electrolysis, displacement4 questions →
- U2.1Earth and the atmosphere — atmosphere composition, climate change, sustainability4 questions →
- U2.2Rate of chemical change — collision theory, factors affecting rate, catalysts4 questions →
- U2.3Energy changes — exothermic and endothermic, bond enthalpy, calorimetry3 questions →
- U2.4Limestone, ammonia and Earth's resources — Haber process, contact process, fertilisers4 questions →
- U2.5Hydrocarbons and fuels — alkanes, alkenes, fractional distillation, polymers, organic chemistry4 questions →