Water containing salt X of a divalent metal, when treated with a compo – InterviewSolution

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1.	Water containing salt X of a divalent metal, when treated with a compound Y gives much lather with soap. Insoluble compound `MgCO_(3)` and salt of a monovalent metal sulphate are formed. Identify X and Y respectively.A. `CaCl_(2), Na_(2)CO_(3)`B. `MgSO_(4), Na_(2)CO_(3)`C. `MgCl_(2), NaHCO_(3)`D. `CaSO_(4), Mg(HCO_(3))_(2)`
Answer» Correct Answer - B Divalent metal salt X i.e., `MgSO_(4)` is treated with compound Y that is `Na_(2)CO_(3)` to form `MgCO_(3)` and `Na_(2)SO_(4)`

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