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Chinese Language 8681/22 Oct Nov 2023

1. Hydrolysis of magnesium chloride, aluminum chloride, and silicon tetrachloride, forming hydroxides and oxides.
2. Titration of chloride ions in meat products using silver nitrate, mole calculations, and ionic equations for sodium and potassium chlorides.
3. Iodination of benzene, enthalpy change calculation for iodine formation, and oxidation state changes in iodine and nitrogen.
4. Nitrogen oxide catalysis in acid rain formation, explained through chemical reactions and mechanisms.
5. Cu²⁺ electronic configuration, d-orbital splitting in transition metal complexes, and ammonia’s effect on copper solution color.
6. Curcumin structure, functional group analysis, and reactions with bromine and KMnO₄ for product identification.

Laura Bellini

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