Chemistry 0620/12 Oct Nov 2024 | Cambridge IGCSE Past Papers With Mark Scheme

1. States of Matter & Particle Behavior | Diffusion in gases and liquids, evaporation process, phase transitions, particle arrangement in solids, liquids, and gases.

2. Atomic Structure & Bonding | Atomic number definition, isotopic identification, covalent bonding characteristics, ionic vs. covalent compound properties.

3. Chemical Reactions & Electrolysis | Redox reaction identification, endothermic vs. exothermic dissolution, electrolysis of molten sodium sulfide, reaction rate measurement.

4. Periodic Table & Reactivity Trends | Metallic and acidic oxide formation, element reactivity in water and steam, displacement reactions among halogens.

5. Organic Chemistry & Fuel Cells | Hydrogen fuel sources, ethanol fermentation, properties of homologous series, reaction of ethanoic acid.

6. Separation Techniques & Measurement | Titration apparatus selection, separation of mixtures via filtration and crystallization, identification of sulfate ions in solution.