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Give the reaction involved during the extraction of zinc from its ore by
(a) roasting of zinc ore
(b) calcination of zinc ore
(a) Roasting of zinc ore
Roasting is a process of metallurgy where ore is converted into its oxide by heating it below its melting point in the presence of excess air.
$2ZnS + 3O_2→2ZnO + 2SO_2$
(b) Calcination of zinc ore
Calcination is defined as the process of converting ore into an oxide by heating it strongly in the absence of air.
$ZnCO_3→ZnO+CO$
Updated on: 10-Oct-2022
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