Chemistry 4CH1/2C May Jun 2019 | Edexcel International GCSE Past Papers With Mark Scheme

Edexcel International GCSE Chemistry (4CH1) Jun 2019

معلم موافق رایگان بودن است.

1. Atomic Structure and Periodic Trends: Identifying subatomic particles, isotopes, calculating relative atomic mass, trends in halogens, and periodic table organization.

2. Bonding and Chemical Reactions: Ionic and covalent bonding, electron dot structures, balancing chemical equations, reactivity series, and displacement reactions.

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

4. Organic Chemistry and Hydrocarbons: Structure of alkanes, alkenes, and alcohols, polymerization, combustion reactions, cracking of hydrocarbons, and fermentation of ethanol.

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

6. Environmental Chemistry and Industrial Applications: Catalytic converters, production of nitrogen oxides, electrolysis of solutions, corrosion of metals, and methods for preventing rusting.