3. Write chemical equations for reactions taking place when
(i) cinnabar is roasted in furnace
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Answer:
CINNABAR = HgS
2HgS (s) + 3O2 (g) -------> 2HgO (s) + 2SO2 (g)
2HgO (s) -------> 2Hg (l) + 02 (g)
Explanation:
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Explanation:
The chemical formula for this ore is HgS. This ore undergoes a process of roasting which happens in the presence of oxygen. When this ore is heated, mercury sulfide is converted into mercury oxide and it releases sulfur dioxide. Then the oxide formed is decomposed to pure metal and oxygen gas is released.
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