Why a black suspension of lead (II) sulfide in water turns white when – InterviewSolution

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1.	Why a black suspension of lead (II) sulfide in water turns white when ozone is passed through it?
Answer» Solution :`O_3` oxidises BLACK COLOURED `PbS` to WHITE coloured `PbSO_4` `PbS + 4O_3 rarr PbSO_4 + 4O_2`

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