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
Practice More Like This
Take chapter-wise tests, track your progress, and master Hydrogen.
Start Free Practice →