1.

Aqueous ZnSO_(4) treated with Na_(2)CO_(3)//H_(2)O produces A which when heated forms B which further treated with cobalt nitrate and warmed C is formed. A,B and C are respectively.

Answer»

`ZnCO_(3), Zn` and `CoO`
`ZnO,Zn` and `CoZnO_(2)`
`ZnCO_(3).3ZN(OH)_(2),ZnO` and `CoZnO_(2) ` respectively
`ZnCO_(3), ZnO,CoO`

ANSWER :C


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