When a solution of ammonium trioxocarbonate (IV) is added to a solution of an unknown salt, a white precipitate which is soluble in dilute hydrochloric acid but insoluble in ethanoic acid is formed. This indicates the presence of
-
Ca2+
- Na+
- Zn2+
- K+
The correct answer is: A
Explanation
The test indicates the presence of \(Ca_{2+}\).
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