Chemistry 0620/31 Oct Nov 2024 | Cambridge IGCSE Past Papers With Mark Scheme

1. Periodic Table & Element Properties | Identifying Elements by Characteristics – Determining elements based on flame tests, ion formation, and mixture properties.

2. Bonding & Structure | Covalent, Ionic, and Giant Molecular Substances – Drawing molecular structures, identifying bonding types, and explaining physical properties.

3. Water Pollution & Treatment | Identifying Contaminants and Purification Methods – Analyzing ion concentrations in polluted water, completing treatment stages, and testing water purity.

4. Hydrocarbons & Alcohols | Unsaturation, Fermentation, and Polymerization – Defining hydrocarbons, describing fermentation conditions, and calculating molecular mass.

5. Halogens & Reactivity Trends | Physical Properties and Displacement Reactions – Predicting halogen trends, completing equations, and explaining reactivity differences.

6. Metals & Reactivity | Electron Configurations and Reduction Reactions – Identifying transition metal properties, balancing redox equations, and ranking metal reactivity.

7. Acids, Bases & Salts | Neutralization, Indicators, and Energy Changes – Naming acid-alkali reactions, describing crystallization, and explaining endothermic dissolving.

8. Reaction Rates & Electrolysis | Factors Affecting Zinc Reactions and Gas Products – Investigating concentration effects, predicting electrode products, and explaining solid particle arrangements.