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Classical Studies 9274/31 Oct Nov 2022 | Cambridge AS Level Past Papers With Mark Scheme

1. Hydrolysis of magnesium chloride, aluminum chloride, and silicon tetrachloride, forming hydroxides and oxides.
2. Chloride ion titration in meat products, mole calculations, and ionic equations for sodium and potassium chlorides.
3. Iodination of benzene, enthalpy change calculations for iodine formation, and oxidation state changes in iodine and nitrogen.
4. Nitrogen oxide catalysis in acid rain formation, explained through chemical equations.
5. Cu²⁺ electronic configuration, d-orbital splitting in transition metal complexes, and ammonia's effect on copper solution color.
6. Curcumin structure, functional groups, and reactions with bromine and KMnO₄ for product identification.
CIE AS & A Level Classical Studies (9274) Nov 2022

Laura Bellini

Classification: Paper 3
Page count: 4
Viewed: 46
Last update: 15 days ago
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