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1. Atomic Structure and Periodic Table: Identifying subatomic particles, electron configuration, isotopes, relative atomic mass, and periodic table trends.

2. Bonding and Chemical Reactions: Ionic, covalent, and metallic bonding, dot-and-cross diagrams, balancing chemical equations, reactivity series, and displacement reactions.

3. Acids, Bases, and Salts: pH scale, neutralization reactions, titration calculations, solubility of salts, and precipitation reactions.

4. Organic Chemistry and Hydrocarbons: Alkanes, alkenes, polymerization, combustion reactions, cracking of hydrocarbons, and homologous series characteristics.

5. Chemical Energetics and Equilibrium: Exothermic and endothermic reactions, bond energy calculations, enthalpy change, dynamic equilibrium, and Le Chatelier’s principle.

6. Environmental Chemistry and Industrial Processes: Electrolysis, corrosion prevention, fractional distillation of crude oil, catalytic converters, and production of nitrogen oxides.

Edexcel International GCSE Chemistry (4CH1) Jan 2022

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Classification: Edexcel Paper 1

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Chemistry 4CH1/1C January 2022 | Edexcel International GCSE Past Papers With Mark Scheme

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