When a solution of ammonium trioxocarbonate (IV) is added...
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+
Correct answer is A
The test indicates the presence of \(Ca_{2+}\).
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