September 2025 · Paper 2 (Level 2-3)

Air pollution

Solutions — solute, solvent, solution · Ionic bonding

Reactions of acids · Net ionic equations · Transition metals — Fe & Cu

Electrolytes & conductors · Electrolysis of molten salts

Group 7 — Halogens

Titrations & standard solutions

Extraction of iron (blast furnace) · Extraction of aluminium · Electrolysis of molten salts

Limestone & building materials · Balancing equations · Quantitative chemistry — moles & calculations

Rates of reaction

Haber process · Equilibrium

Organic Chemistry · Alcohols · Alkenes & alkynes

Energetics