White vitriol is :

CHEMISTRY · Single correct · CBSE · Chemistry · Acids, Bases and Salts · Acids, Bases and Salts

Problem

White vitriol is : (1) ZnS\text{ZnS} (2) ZnSO4\text{ZnSO}_4 (3) ZnSO4⋅7H2O\text{ZnSO}_4 \cdot 7\text{H}_2\text{O} (4) ZnCO3\text{ZnCO}_3

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