Chemistry 9701/52 March 2022 | Cambridge AS Level Past Papers With Mark Scheme
1. NaCl solution preparation: 0.200 mol/dm³ concentration, mass calculation, weighing by difference, transfer to beaker.
2. Titration: sodium hydroxide, carboxylic acid, molar ratio, calculations, acid identification.
3. Aminoethanoic acid titration: titre comparison, carboxylic acid analysis (FA 1).
4. Magnesium compound identification: thermal decomposition, magnesium oxide mass calculation, formula deduction.
5. Qualitative analysis: anion and functional group identification, reactions with sodium hydroxide, barium chloride, other reagents.

باز نشر محتواها در فضای مجازی، ممنوع است.