CBSE Class 6 Answered
What is the method to refine a a liquid ore like mercury??
Asked by Dev Dutta | 13 Mar, 2015, 08:43: PM
Expert Answer
Extraction of Mercury
Cinnabar, an ore of mercury is first heated in the air and is converted into mercuric oxide.
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2HgS(s) + 3O2(g) → 2HgO(s) + 2SO2(g)
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Mercuric oxide is then reduced to mercury on further heating.
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2HgO(s) → 2Hg(s) + O2(g)
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Answered by | 16 Mar, 2015, 06:20: PM
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