An inorganic substance on heating libera...

An inorganic substance on heating liberates oxygen and turns an acidified solution of KI brown and also reduces acidified `KMnO_4`. The substance is

A

`H_(2)O_(2)`

B

`D_(2)O`

C

`KNO_(3)`

D

`Pb(NO_(3))_(2)`

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Verified by Experts

The correct Answer is:

A

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