Pick a topic, then choose how to play. 🎮
Questions from every Chemistry topic.
Atoms, isotopes, electron shells and the groups of the periodic table.
Ionic, covalent and metallic bonding, structures and nanoparticles.
Formula mass, conservation of mass, moles, concentration and balancing equations.
Reactivity, acids and alkalis, salts and electrolysis.
Exothermic and endothermic reactions, profiles and bond energies.
Collision theory, catalysts, reversible reactions and equilibrium.
Crude oil, alkanes, fractional distillation and cracking.
Purity, formulations, chromatography and gas tests.
How the atmosphere evolved, greenhouse gases and pollutants.
Potable water, waste water, life cycle assessments and recycling.
Practise with questions from real AQA exams. Longer answers are self-marked against the mark scheme.