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A metal 'M' is found in nature as its ca...

A metal 'M' is found in nature as its carbonate. It is used in the galvanization of iron. Identify 'M' and name its ore. How will you convert this ore into free metal ?

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The metal used for galvanizing iron is Zinc.
The carbonate ore of Zn is `ZnCO_(3)` (zinc carbonate) or Zns (zinc-blende).
Extraction of zinc from its ore:
Roasting: `2ZnS+3O_(2)to2ZnO+2SO_(2)`
Calcination `ZnCO_(3)toZnO+CO_(2)`
Reduction: `ZnO+CtoZn+CO`
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