Chemistry 9701/33 Oct Nov 2021 | Cambridge AS Level Past Papers With Mark Scheme

1. Gravimetric analysis for Group 1 metal carbonates to determine the cation identity, CO2 mass measurements, moles of CO2, molar mass calculations, and solubility error corrections.

2. Titration methodology for Group 1 metal carbonate identification, accurate titration results, calculation of molar concentrations, and comparison of acid concentration effects on experimental outcomes.

3. Identification of cations and anions in salts through qualitative analysis, reactions with specific reagents (e.g., NaOH, AgNO3), gas tests, solubility trends, and ionic equation formulation.

4. Mechanisms and products of practical reactions in advanced-level chemistry, emphasizing stoichiometry, molecular transformation, and quantitative interpretation of results.

5. Analytical techniques for validating experimental outcomes, addressing