The chemical formula of ferrous sulphate crystal is ________. – McqOptions

MCQOPTIONS

1.	The chemical formula of ferrous sulphate crystal is ________.
A.	FeSO4.4H2O
B.	FeSO4.5H2O
C.	FeSO4.6H2O
D.	FeSO4.7H2O
Answer» E.

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