CH-671
Tests for cations
Chemistry · Secondary 3 · Medium · Tests for cations
A student adds excess aqueous sodium hydroxide to a solution of copper(II) sulfate.
What observation will be seen?
What observation will be seen?
- A green solution is formed with no precipitate.
- A blue precipitate is formed and remains in excess sodium hydroxide.
- A white precipitate is formed and dissolves in excess sodium hydroxide.
- A brown precipitate is formed and remains in excess sodium hydroxide.
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