CH-1606
Tests for cations
Chemistry · Secondary 4 · Easy · Tests for cations
A colourless solution Y is tested. With aqueous sodium hydroxide, a white precipitate forms that dissolves in excess to give a colourless solution. With aqueous ammonia, a white precipitate forms that is insoluble in excess ammonia. What is the cation in solution Y?
- Al³⁺
- Ca²⁺
- Zn²⁺
- Cu²⁺
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