1.

Which of the following react with dil. H_(2)SO_(4).?

Answer»

`CaCO_(3)`
`KNO_(2)`
`Na_(2)S`
`ZnSO_(3)`

Solution :All these SALTS react with dil.`H_(2)SO_(4)`
Hence,(A),(B),(C) and (D) are the correct ANSWERS.


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