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Reactions of ions in aqueous solution (A-level only)

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Question 17

An aqueous solution of a salt gives a white precipitate when mixed with a few drops of aqueous sodium hydroxide. This precipitate dissolves in excess sodium hydroxide to form a colorless solution. The same salt solution also gives a cream precipitate when mixed with dilute nitric acid and aqueous silver nitrate. Which could be the formula of the salt?

MgBr2\text{MgBr}_2MgBr2​

ZnBr2\text{ZnBr}_2ZnBr2​

AlCl3\text{AlCl}_3AlCl3​

NaI\text{NaI}NaI

Reactions of ions in aqueous solution (A-level only) Questions

  1. A Level
  2. /Chemistry
  3. /Reactions of ions in aqueous solution (A-level only)