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A white powder "A" on heating gave a non...

A white powder "A" on heating gave a non-combustible gas and a white residue. The residue on heating turns yellow. The residue dissolves in dil. HCl and the solution gives a white ppt. with `K_(4)[Fe(CN)_(6)]`. "A" would be:

A

`CaCO_(3)`

B

`ZnCO_(3)`

C

`CaSO_3`

D

`CuCO_(3)`

Text Solution

Verified by Experts

The correct Answer is:
B
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