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Oxidising agent which restores old painting |
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Answer» SOLUTION : When the painting is dipped in a dilute solution of H2O2H2O2 for some TIME , lead sulpide is SLOWLY OXIDIZED to while lead sulphate pbS+4H2O2→pnSo4+4H2OpbS+4H2O2→pnSo4+4H2O Thus the colour of lead painting is RESTORED |
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