explain the extraction of mercury
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The pyrometallurgical extraction of mercury from its ore is essentially a distillation process. When heat is applied to the sulfide ore in the presence of air, oxygen combines with the sulfur to form sulfur dioxide, and the metal is liberated at a temperature above its boiling point.
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Mercury is a less reactive metal and it can be extracted from its sulphide ore cinnabar by heating it in air alone. ... This converts mercury (II) sulphide to mercury (II) oxide. Mercury (II) oxide, so formed, is heated to around 300°C and it gets reduced to mercury metal.
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