Qualitative analysis
5 past-paper questions on Qualitative analysis · examined 2020–2022.
20221 question
Two samples of a colourless solution are tested separately with aqueous sodium hydroxide, NaOH(aq), and aqueous ammonia, NH3(aq), and the results are recorded. What can be deduced from these results?
20204 questions
Compound X is a crystalline solid at room temperature and pressure. An aqueous solution of X is tested. What could be the identity of X?
Compound X is a crystalline solid at room temperature and pressure. An aqueous solution of X is tested. What could be the identity of X?
When aqueous sodium hydroxide is added to a solution, a white precipitate forms which dissolves in excess. Which ion could be present?
When aqueous sodium hydroxide is added to a solution, a white precipitate forms which dissolves in excess. Which ion could be present?
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