What is the method to refine a a liquid ore like mercury??
Extraction of Mercury
Cinnabar, an ore of mercury is first heated in the air and is converted into mercuric oxide.
2HgS(s) + 3O2(g) → 2HgO(s) + 2SO2(g)
Mercuric oxide is then reduced to mercury on further heating.
2HgO(s) → 2Hg(s) + O2(g)
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