Chemistry 4CH1/2CR 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 Periodicity: Atomic number, mass number, electronic configuration, isotope calculations, and periodic table classification.

2. Gases and Atmosphere: Identifying noble gases, atmospheric composition, greenhouse gases, and oxygen testing.

3. Fractional Distillation and Hydrocarbons: Separation of crude oil, differences in fractions, molecular size, boiling points, viscosity, and color.

4. Electrolysis and Conductivity: Conductivity of substances in different states, ion movement in electrolysis, oxidation-reduction half-equations.

5. Acids, Bases, and Titration: Neutralization reactions, titration calculations, burette readings, and concentration determination in acid-base reactions.

6. Reaction Rates and Equilibrium: Effects of temperature and pressure on equilibrium, catalysts, energy changes in reactions, and environmental impact of fuel impurities.