May 2025 · Paper 2 (Level 2-3)

Atomic structure & Periodic Table · Elements, compounds & mixtures · Gases in air

Hard & soft water

Indicators & pH scale · Oxides · Precipitation reactions

Electrolytes & conductors

Group 7 — Halogens · Oxidation & reduction · Group 1 — Alkali metals

Qualitative Analysis

Limestone & building materials

Extraction of iron (blast furnace) · Oxidation & reduction

Quantitative chemistry — moles & calculations

Rates of reaction

States of matter

Organic Chemistry · Alkanes · Fossil fuels — energy & environment

Organic Chemistry · Carboxylic acids & esters

Energetics

Equilibrium