Text Solution

Verified by Experts

The correct Answer is:
`A to c`
`B to d`
`C to b`
`D to a`
`A to c` Formula of green vitriol is `FeSO_(4).7H_(2)O`.
`B to d` Formula of blue vitriol is `CuSO_(4).5H_(2)O`.
`C to b` Formula of Epsom salt is `MgSO_(4).7H_(2)O`
`D to a` Formula of washing soda is `Na_(2)CO_(3).10H,O`
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