MCQ
Bayer's reagent is :
- A$HgSO _4$ and $H _2 SO _4$
- ✓Dilute aqueous solution of $KMnO _4$
- C$1 \%$ alkaline solution of $K _2 Cr _2 O _7$
- DAqueous solution of $H _2 O _2$
✓
Answer
Correct option: B.
Dilute aqueous solution of $KMnO _4$
(B)
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