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Which of the following react with dil. H...

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

A

`CaCO_(3)`

B

`KNO_(2)`

C

`Na_(2)S`

D

`ZnSO_(3)`

Text Solution

Verified by Experts

All these salts react with dil.`H_(2)SO_(4)`
Hence,(A),(B),(C) and (D) are the correct answers.
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