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A white substance, when strongly heated,...

A white substance, when strongly heated, leaves a residue which is yellow while hot and white when cold, and gives a gas that turns baryta water milky and accidified dichromate paper green. The substance can be

A

`ZnCO_(3)`

B

`ZnSO_(3)`

C

`Na_(2)S`

D

`BSO_(3)`

Text Solution

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The correct Answer is:
B
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