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The sulphate of metal M contains 20% of ...

The sulphate of metal M contains 20% of M. this sulphate is isomorphic with `ZnSO_(4)*7H_(2)O`. Which of the following are true about metal M-

A

atomic mass of metal is 24

B

metal is bivalent

C

eq. wt. of metal is 12

D

the salt of metal is `MgSO_(4).7H_(2)O`

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A, B, C, D
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