HARDMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryHydrogenAchiever Section
Blackened oil painting can be restored into original form by the action of
A.chlorine
B.BaO₂
C.H₂O₂✓ Correct
D.MnO₂
Explanation
For refreshing old oil paintings which becomes black due to the formation of black PbS, H₂O₂ converts it into white PbSO₄. HYDROGEN 32
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