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On raction with dilute H(2)SO(4), which ...

On raction with dilute `H_(2)SO_(4)`, which of the following salts will give out a gas that turns an acidified dichromate paper green?

A

`Na_(2)CO_(3)`

B

`Na_(2)S`

C

`ZnSO_(3)`

D

`FeS`

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The correct Answer is:
B, C, D
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VK JAISWAL-QUALITATIVE INORGANIC ANALYSIS-ONE OR MORE ANSWER IS/ARE CORRECT
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