Cambridge IGCSE · 0620

Chemistry topicals

12 topics · 12 live

Pick a topic. Each topical opens every past Chemistry question on that chapter with its mark scheme.

IGCSE O Level

Ch. 1States of matterAvailable150 questions · Solids, liquids and gases, DiffusionOpen topical
Ch. 2Atoms, elements and compoundsAvailable629 questions · Elements, compounds and mixtures, Atomic structure and the Periodic Table, Isotopes, Ions and ionic bonds, Simple molecules and covalent bonds, Giant covalent structures, Metallic bondingOpen topical
Ch. 3StoichiometryAvailable300 questions · Formulae, Relative masses of atoms and molecules, The mole and the Avogadro constantOpen topical
Ch. 4ElectrochemistryAvailable362 questions · Electrolysis, Hydrogen–oxygen fuel cellsOpen topical
Ch. 5Chemical energeticsAvailable211 questions · Exothermic and endothermic reactionsOpen topical
Ch. 6Chemical reactionsAvailable609 questions · Physical and chemical changes, Rate of reaction, Reversible reactions and equilibrium, RedoxOpen topical
Ch. 7Acids, bases and saltsAvailable505 questions · The characteristic properties of acids and bases, Oxides, Preparation of saltsOpen topical
Ch. 8The Periodic TableAvailable473 questions · Arrangement of elements, Group I properties, Group VII properties, Transition elements, Noble gasesOpen topical
Ch. 9MetalsAvailable529 questions · Properties of metals, Uses of metals, Alloys and their properties, Reactivity series, Corrosion of metals, Extraction of metalsOpen topical
Ch. 10Chemistry of the environmentAvailable364 questions · Water, Fertilisers, Air quality and climateOpen topical
Ch. 11Organic chemistryAvailable857 questions · Formulae, functional groups and terminology, Naming organic compounds, Fuels, Alkanes, Alkenes, Alcohols, Carboxylic acids, PolymersOpen topical
Ch. 12Experimental techniques and chemical analysisAvailable616 questions · Experimental design, Acid–base titrations, Chromatography, Separation and purification, Identification of ions and gasesOpen topical