Chemistry 4CH1/2CR January 2022 | Edexcel International GCSE Past Papers With Mark Scheme

Edexcel International GCSE Chemistry (4CH1) Jan 2022

معلم موافق رایگان بودن است.

1. Atomic Structure and Periodic Table: Identifying atomic and mass numbers, electron configurations, isotopes, periodic trends, and properties of elements.

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

3. Acids, Bases, and Titration: 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, esterification, and carboxylic acids.

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

6. Electrolysis and Industrial Chemistry: Electrolysis of solutions, half-equations, metal conductivity, industrial extraction of metals, corrosion prevention, and environmental impact of industrial processes.