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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