1.

Which of the following contain seven molecules of water of crystallization? (1) Epsom salt (2) Green vitriol (3) Blue vitriol (4) White vitriol

Answer»

(1) Epsom salt / (2) Green vitriol / (4) White vitriol

Epsom salt (MgSO4.7H2O) 

Green vitriol (FeSO4.7H2O) 

White vitriol (ZnSO4.7H2O)



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