Chemistry 0620/43 Oct Nov 2024 | Cambridge IGCSE Past Papers With Mark Scheme

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1. Chemical Substances & Uses | Identifying Compounds from a List – Determining substances used in photosynthesis, metal extraction, lubrication, and fermentation.

2. Electrolysis & Redox Reactions | Products at Electrodes and Half-Equations – Understanding electrolysis of aqueous solutions, predicting products, and writing ionic equations.

3. Tin Compounds & Bonding | Amphoteric Oxides, Covalent vs. Ionic Structures – Explaining amphoteric behavior, drawing dot-and-cross diagrams, and comparing melting points.

4. Sulfuric Acid & Neutralization | Titration Calculations & Salt Preparation – Performing titration, calculating concentrations, and crystallizing sodium sulfate.

5. Reaction Rates & Equilibrium | Factors Affecting Decomposition of Hydrogen Peroxide – Using collision theory to explain rate changes, predicting equilibrium shifts, and sketching reaction curves.

6. Hydrocarbons & Polymerization | Cracking Reactions and Polymer Structures – Understanding alkanes and alkenes, determining empirical formulas, and drawing polymer repeat units.

CIE IGCSE Chemistry (0620) Nov 2024

Laura Bellini

Classification: Paper 4

Page count: 20

Viewed: 44

Last update: 2 months ago

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Chemistry 0620/43 Oct Nov 2024 | Cambridge IGCSE Past Papers With Mark Scheme

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