CH-1603
Tests for cations
Chemistry · Secondary 4 · Easy · Tests for cations
A student tests a colourless solution with aqueous sodium hydroxide.
A white precipitate forms which dissolves in excess sodium hydroxide.
Which cation is present?
A white precipitate forms which dissolves in excess sodium hydroxide.
Which cation is present?
- Aluminium ion, Al³⁺
- Calcium ion, Ca²⁺
- Magnesium ion, Mg²⁺
- Ammonium ion, NH₄⁺
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