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प्रश्न
Name the following:
The silvery residue obtained on heating mercury [II] oxide.
उत्तर
The silvery residue obtained on heating Mercury [II] oxide is Mercury (Hg).
\[\ce{\underset{\text{(Mercury to oxide)}}{2HgO}->\underset{\text{(Red to Silver)}}{2Hg} + O2 [g]}\]
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