Question

give the reaction involved during extraction of zinc from its ore by (a) roasting of zinc ore (b) calcination of zinc ore ?​

Answer 1

Explanation:

Bro your answer is :-

(a)When zinc sulphide is roasted in the presence of air it forms carbon dioxide and zinc oxide:

Zns +O2---->ZnO + So2

(b)When zinc carbonate is calcined in the absence of air it forms carbon dioxide and zinc oxide:

ZnCo3------->ZnO+Co2

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