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OpenStudy (eric_d):
In polluted air. the white paint pigment in older oil paintings forms lead(II)sulphide,PbS, that is black.To restore the white colour, a solution of hydrogen peroxide,H2O2 is used.
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OpenStudy (eric_d):
|dw:1407504945811:dw|
OpenStudy (eric_d):
Given equation...|dw:1407505347349:dw|
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