MCQ
Oxygen gas can be prepared from solid $KMn{O_4}$ by
- ✓Strongly heating the solid
- BTreating the solid with ${H_2}$ gas
- CDissolving the solid in dil. ${H_2}S{O_4}$
- DDissolving the solid in dil. $HCl$
✓
Answer
Correct option: A.
Strongly heating the solid
a
It’s Obvious.
It’s Obvious.
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