CH-1631
Tests for cations
Chemistry · Secondary 4 · Easy · Tests for cations
A solution gives a white precipitate with aqueous sodium hydroxide that is insoluble in excess. With aqueous ammonia, no precipitate forms. Which cation is present?
- aluminium, Al³⁺
- calcium, Ca²⁺
- zinc, Zn²⁺
- copper(II), Cu²⁺
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