Explain how mercury is extracted from its ore. Give equation.
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Answer:
Its chemical formula is HgS. 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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...... Mercury when it heated, it converts into mercurric oxide ( HgO) , on further heating HgO reduce to mercury....
EQUATIONs:
2 HgS + 3 O2 =2HgO + 2 SO2
2HgO =2 Hg + O2
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