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Zinc is the metal which lies in the midd...

Zinc is the metal which lies in the middle of the activity series. This metal is extracted from its sulphide ore. Outline the steps involved in the process of extraction of zinc metal with the help of balanced chemical equation for each step.

Text Solution

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Steps :
(i) Roasting : Sulphide ores are converted into oxides by heating strongly in the presence of excess air.
`2ZnS + 3O_(2) overset("Heat")rarr 2ZnO + 2SO_(2)`
(ii) Reduction : Metal oxides are then reduced to the corresponding metal by using suitable reducing agent (carbon).
`ZnO + C rarr Zn + CO`
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