Oxygen gas can be prepared from solid KM...

Oxygen gas can be prepared from solid `KMnO_4` by:

A

Dissolving the solid in dil.HCl

B

Dissolving the solid in dil.`H_2SO_4`

C

Treating the solid with `H_2` gas

D

Strongly heating the solid

Text Solution

Verified by Experts

The correct Answer is:

D

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