CH-1620
Tests for cations
Chemistry · Secondary 4 · Easy · Tests for cations
A solution contains only one type of cation. When aqueous sodium hydroxide is added, a light blue precipitate forms, which is insoluble in excess sodium hydroxide. Which cation is present?
- Fe²⁺
- Cu²⁺
- Zn²⁺
- NH₄⁺
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