Chemistry 4CH1/2C 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 Trends: Identifying atomic and mass numbers, electronic configurations, isotopes, periodic table trends, and classification of elements.

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

3. Acids, Bases, and Salts: pH scale, acid-base neutralization, titration calculations, solubility of salts, and formation of insoluble precipitates.

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 equilibrium shifts.

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