Spec 0620
Free CIE IGCSE Chemistry revision for Core and Extended tier: past papers from 2019–2024 with mark schemes.
1 States of matter
1.1 Solids, liquids and gases
1.2 Diffusion
2 Atoms, elements and compounds
2.1 Elements, compounds and mixtures
2.2 Atomic structure and the Periodic Table
2.3 Isotopes
2.4 Ions and ionic bonds
2.5 Simple molecules and covalent bonds
2.6 Giant covalent structures
2.7 Metallic bonding
3 Stoichiometry
3.1 Formulae
3.2 Relative masses of atoms and molecules
3.3 The mole and the Avogadro constant
4 Electrochemistry
4.1 Electrolysis
4.2 Hydrogen–oxygen fuel cells
5 Chemical energetics
5.1 Exothermic and endothermic reactions
6 Chemical reactions
6.1 Physical and chemical changes
6.2 Rate of reaction
6.3 Reversible reactions and equilibrium
6.4 Redox
7 Acids, bases and salts
7.1 The characteristic properties of acids and bases
7.2 Oxides
7.3 Preparation of salts
8 The Periodic Table
8.1 Arrangement of elements
8.2 Group I properties
8.3 Group VII properties
8.4 Transition elements
8.5 Noble gases
9 Metals
9.1 Properties of metals
9.2 Uses of metals
9.3 Alloys and their properties
9.4 Reactivity series
9.5 Corrosion of metals
9.6 Extraction of metals
10 Chemistry of the environment
10.1 Water
10.2 Fertilisers
10.3 Air quality and climate
11 Organic chemistry
11.1 Formulae, functional groups and terminology
11.2 Naming organic compounds
11.3 Fuels
11.4 Alkanes
11.5 Alkenes
11.6 Alcohols
11.7 Carboxylic acids
11.8 Polymers
12 Experimental techniques and chemical analysis
12.1 Experimental design
12.2 Acid-base titrations
12.3 Chromatography
12.4 Separation and purification
12.5 Identification of ions and gases
| Assessment | Format | Duration | Marks | Weighting |
|---|---|---|---|---|
| Paper 1: Multiple Choice (Core) | Written exam | 45m | 40 marks | 30% |
| Paper 2: Multiple Choice (Extended) | Written exam | 45m | 40 marks | 30% |
| Paper 3: Theory (Core) | Written exam | 1h 15m | 80 marks | 50% |
| Paper 4: Theory (Extended) | Written exam | 1h 15m | 80 marks | 50% |
| Paper 5: Practical Test | Written exam | 1h 15m | 40 marks | 20% |
| Paper 6: Alternative to Practical | Written exam | 1h | 40 marks | 20% |
CIE IGCSE Chemistry builds the skills examiners reward. By the end of the course you should be able to:
