CIE IGCSE Chemistry Topic Question Past paper and exam-style questions organised by topic, with student-friendly answers written by teachers and examiners. 1. States of Matter 1.1 Solids, Liquids & Gases QP 1.1 Solids, Liquids & Gases MS 2022-2024 papers 1.1 Solids, liquids and gases MCQ QP 1.1 Solids, liquids and gases MCQ MS 1.1 Solids, liquids and gases QP 1.1 Solids, liquids and gases MS 1.2 Diffusion MCQ QP 1.2 Diffusion MCQ MS 1.2 Diffusion QP 1.2 Diffusion MS 2. Atoms, Elements & Compounds 2.1 Atomic Structure & The Periodic Table QP2.2 Ions & Ionic Bonds QP2.3 Simple Molecules & Covalent Bonds QP 2.4 Giant Structures QP 2.1 Atomic Structure & The Periodic Table MS2.2 Ions & Ionic Bonds MS2.3 Simple Molecules & Covalent Bonds MS 2.4 Giant Structures MS 2022-2024 papers 2.1 Elements, compounds and mixtures MCQ QP 2.1 Elements, compounds and mixtures MCQ MS 2.1 Elements, compounds and mixtures QP 2.1 Elements, compounds and mixtures MS 2.2 Atomic structure and the Periodic Table MCQ QP 2.2 Atomic structure and the Periodic Table MCQ MS 2.2 Atomic structure and the Periodic Table QP 2.2 Atomic structure and the Periodic Table MS 2.3 Isotopes MCQ QP 2.3 Isotopes MCQ MS 2.3 Isotopes QP 2.3 Isotopes MS 2.4 Ions and ionic bonds MCQ QP 2.4 Ions and ionic bonds MCQ MS 2.4 Ions and ionic bonds QP 2.4 Ions and ionic bonds MS 2.5 Simple molecules and covalent bonds MCQ QP 2.5 Simple molecules and covalent bonds MCQ MS 2.5 Simple molecules and covalent bonds QP 2.5 Simple molecules and covalent bonds MS 2.6 Giant covalent structures MCQ QP 2.6 Giant covalent structures MCQ MS 2.6 Giant covalent structures QP 2.6 Giant covalent structures MS 2.7 Metallic bonding MCQ QP 2.7 Metallic bonding MCQ MS 2.7 Metallic bonding QP 2.7 Metallic bonding MS 3. Stoichiometry 3.1 Formulae & Relative Masses QP3.2 Equations & Formulae 3.1 Formulae & Relative Masses MS3.2Equations & Formulae 2022-2024 papers 3.1 Formulae MCQ QP 3.1 Formulae MCQ MS 3.1 Formulae QP 3.1 Formulae MS 3.2 Relative masses of atoms and molecules MCQ QP 3.2 Relative masses of atoms and molecules MCQ MS 3.2 Relative masses of atoms and molecules QP 3.2 Relative masses of atoms and molecules MS 3.3 The mole and the Avogadro constant MCQ QP 3.3 The mole and the Avogadro constant MCQ MS 3.3 The mole and the Avogadro constant QP 3.3 The mole and the Avogadro constant MS 4. Electrochemistry 4.1 Electrolysis QP4.2 Applications of Electrolysis QP 4.1 Electrolysis MS4.2 Applications of Electrolysis MS 2022-2024 papers 4.1 Electrolysis MCQ QP 4.1 Electrolysis MCQ MS 4.1 Electrolysis QP 4.1 Electrolysis MS 4.2 Hydrogen-oxygen fuel cells QP 4.2 Hydrogen-oxygen fuel cells MS 4.2 Hydrogen–oxygen fuel cells MCQ QP 4.2 Hydrogen–oxygen fuel cells MCQ MS 5. Chemical Energetics 5.1 Exothermic & Endothermic Reactions QP 5.1 Exothermic & Endothermic Reactions MS 2022-2024 papers 5.1 Exothermic and endothermic reactions MCQ QP 5.1 Exothermic and endothermic reactions MCQ MS 5.1 Exothermic and endothermic reactions QP 5.1 Exothermic and endothermic reactions MS 6. Chemical Reactions 6.1 Chemical Change & rate of reaction QP6.2 Reversible Reactions & Equilibrium QP6.3 Redox QP 6.1 Chemical Change & rate of reaction MS 6.2 Reversible Reactions & Equilibrium MS6.3 Redox MS 2022-2024 papers 6.1 Physical and chemical changes MCQ QP 6.1 Physical and chemical changes MCQ MS 6.2 Rate of reaction MCQ QP 6.2 Rate of reaction MCQ MS 6.2 Rate of reaction QP 6.2 Rate of reaction MS 6.3 Reversible reactions and equilibrium MCQ QP 6.3 Reversible reactions and equilibrium MCQ MS 6.3 Reversible reactions and equilibrium QP 6.3 Reversible reactions and equilibrium MS 6.4 Redox MCQ QP 6.4 Redox MCQ MS 6.4 Redox QP 6.4 Redox MS 7. Acids, Bases & Salts 7.1 The Characteristic Properties of Acids & Bases QP7.2 Preparation QP 7.1 The Characteristic Properties of Acids & Bases MS7.2 Preparation MS 2022-2024 papers 7.1 The characteristic properties of acids and bases MCQ QP 7.1 The characteristic properties of acids and bases MCQ MS 7.1 The characteristic properties of acids and bases QP 7.1 The characteristic properties of acids and bases MS 7.2 Oxides MCQ QP 7.2 Oxides MCQ MS 7.2 Oxides QP 7.2 Oxides MS 7.3 Preparation of salts MCQ QP 7.3 Preparation of salts MCQ MS 7.3 Preparation of salts QP 7.3 Preparation of salts MS 8. The Periodic Table 8.1 The Periodic Table & Trends QP8.2 Group Properties & trends QP 8.1 The Periodic Table & Trends MS8.2 Group Properties & trends MS 2022-2024 papers 8.1 Arrangement of elements MCQ QP 8.1 Arrangement of elements MCQ MS 8.2 Group I properties MCQ QP 8.2 Group I properties MCQ MS 8.2 Group I properties QP 8.2 Group I properties MS 8.3 Group VII properties MCQ QP 8.3 Group VII properties MCQ MS 8.3 Group VII properties QP 8.3 Group VII properties MS 8.4 Transition elements MCQ QP 8.4 Transition elements MCQ MS 8.4 Transition elements QP 8.4 Transition elements MS 8.5 Noble gases MCQ QP 8.5 Noble gases MCQ MS 9. Metals 9.1 Properties ,uses & Alloys of metals QP9.2 Reactivity Series & Corrosion of metals QP 9.1 Properties ,uses & Alloys of metals MS9.2 Reactivity Series & Corrosion of metals MS 2022-2024 papers 9.1 Properties of metals MCQ QP 9.1 Properties of metals MCQ MS 9.1 Properties of metals QP 9.1 Properties of metals MS 9.2 Uses of metals MCQ QP 9.2 Uses of metals MCQ MS 9.2 Uses of metals QP 9.2 Uses of metals MS 9.3 Alloys and their properties MCQ QP 9.3 Alloys and their properties MCQ MS 9.3 Alloys and their properties QP 9.3 Alloys and their properties MS 9.4 Reactivity series MCQ QP 9.3 Alloys and their properties MCQ MS 9.4 Reactivity series QP 9.4 Reactivity series MS 9.5 Corrosion of metals MCQ QP 9.5 Corrosion of metals MCQ MS 9.5 Corrosion of metals QP 9.5 Corrosion of metals MS 9.6 Extraction of metals MCQ QP 9.6 Extraction of metals MCQ MS 9.6 Extraction of metals QP 9.6 Extraction of metals MS 10. Chemistry of the Environment 10.1 Water & Water Pollution10.2 Air Quality & Climate 10.1 Water & Water Pollution10.2 Air Quality & Climate 2022-2024 papers 10.1 Water MCQ QP 10.1 Water MCQ MS 10.1 Water QP 10.1 Water MS 10.2 Fertilisers MCQ QP 10.2 Fertilisers MCQ MS 10.2 Fertilisers QP 10.2 Fertilisers MS 10.3 Air quality and climate MCQ QP 10.3 Air quality and climate MCQ MS 10.3 Air quality and climate QP 10.3 Air quality and climate MS 11. Organic Chemistry 11.1 Formulae ,Functional Groups & Terminology QP11.2 Organic Families QP11.3 Polymers QP 11.1 Formulae ,Functional Groups & Terminology MS11.2 Organic Families MS11.3 Polymers MS 2022-2024 papers 11.1 Formulae, functional groups and terminology MCQ QP 11.1 Formulae, functional groups and terminology MCQ MS 11.1 Formulae, functional groups and terminology QP 11.1 Formulae, functional groups and terminology MS 11.2 Naming organic compounds MCQ QP 11.2 Naming organic compounds MCQ MS 11.2 Naming organic compounds QP 11.2 Naming organic compounds MS 11.3 Fuels MCQ QP 11.3 Fuels MCQ MS 11.3 Fuels QP 11.3 Fuels MS 11.4 Alkanes MCQ QP 11.4 Alkanes MCQ MS 11.4 Alkanes QP 11.4 Alkanes MS 11.5 Alkenes MCQ QP 11.5 Alkenes MCQ MS 11.5 Alkenes QP 11.5 Alkenes MS 11.6 Alcohols MCQ QP 11.6 Alcohols MCQ MS 11.6 Alcohols QP 11.6 Alcohols MS 11.7 Carboxylic acids MCQ QP 11.7 Carboxylic acids MCQ MS 11.7 Carboxylic acids QP 11.7 Carboxylic acids MS 11.8 Polymers MCQ QP 11.8 Polymers MCQ MS 11.8 Polymers QP 11.8 Polymers MS 12. Experimental Techniques & Chemical Analysis 12.1 Experimental Techniques QP12.2 Separation & purification QP12.3 Identification of Ions & gases QP 12.1 Experimental Techniques MS12.2 Separation & purification MS12.3 Identification of Ions & gases MS 2022-2024 papers 12.1 Experimental design MCQ QP 12.1 Experimental design MCQ MS 12.1 Experimental design QP 12.1 Experimental design MS 12.2 Acid-base titrations QP 12.1 Experimental design MS 12.2 Acid-base titrations MCQ QP 12.1 Experimental design MCQ MS 12.3 Chromatography MCQ QP 12.3 Chromatography MCQ MS 12.4 Separation and purification MCQ QP 12.4 Separation and purification MCQ MS 12.4 Separation and purification QP 12.4 Separation and purification MS 12.5 Identification of ions and gases MCQ QP 12.5 Identification of ions and gases MCQ MS 12.5 Identification of ions and gases QP 12.5 Identification of ions and gases MS