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Oxygen gas can be prepared from solid KM...

Oxygen gas can be prepared from solid `KMnO_4` by

A

Treating the solid with `H_(2)` gas.

B

Strongly heating the solid.

C

Dissolving the solid in dil. `H_(2)SO_(4)`

D

Dissolving solid in dil HCl.

Text Solution

Verified by Experts

The correct Answer is:
B
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