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Collect Information. Collect information regarding bar and write is extracted from its ore cinnabar and write the corresponding chemical reaction.

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i.Mercury is obtained by heating its sulphide ore, called 'cinnabar' (HgS) .
ii.This metal sulphide is first converted into mercuric oxide (HgO) which on further heating gets reduced to Hg.
`underset"Cinnabar (Mercuric sulphide)"(2HgS_((s))) + underset"Oxygen (from air)"(3O_(2(g))) overset"Heat"to underset"Mercuric oxide"(2HgO_((s))) + underset"Sulphur dioxide"(2SO_(2(g)))`
`underset"Mercuric oxide"(2HgO_((s))) overset(Heat)to underset"Mercury"(2Hg_((l))) + underset"Oxygen"(O_(2(g)))`
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