Iodine is formed when potassium iodide r...

Iodine is formed when potassium iodide reacts with a solution of:

A

`ZnSO_4`

B

`CuSO_4`

C

`FeSO_4`

D

`(NH_4)_2SO_4`

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The correct Answer is:

B

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The correct statement is:
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