$H_2O_2$ restores the color of old lead paintings,blackened by the action of $H_2S$ gas by:
- AConverting $PbO_2$ to $Pb$
- BBy oxidising $PbS$ to $PbSO_4$
- CConverting $PbCO_3$ to $Pb$
- DOxidising $PbSO_3$ to $PbSO_4$
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Electrolysis of $X$ gives $Y$ at anode. Vacuum distillation of $Y$ gives $H_2O_2$. The number of peroxy $(O-O)$ bonds present in $X$ and $Y$ respectively are :
$H_2O_2$ (hydrogen peroxide),in the pure state,is:
Decomposition of $H_2O_2$ is prevented by
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View SolutionWhich of the following is the common name for peroxymonosulfuric acid?
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View SolutionWhich of the following can be used to prevent the decomposition of $H_{2}O_{2}$?
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