Answer:
(i)
The metal is zinc (Zn).
(ii) The
carbonate ore is first heated strongly in limited supply of oxygen and changed
into its oxide. This process is called calcination.
ZnCO3(s)
ZnO(s) + CO2(g)
Zinc
oxide is then reduced to zinc metal by heating it with carbon. This process is
called reduction.
ZnO(s)
+ C(s) Zn(s) + CO(g)
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