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A Sulphide Ore is Converted into Metal Oxide by the Process Of: (A) Carbonation (B) Roasting (C) Calcination (D) Anodising - Science

A sulphide ore is converted into metal oxide by the process of:
(a) carbonation
(b) roasting
(c) calcination
(d) anodising

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Solution

(b) roasting
Sulphide ores are transformed into oxides by the process of roasting. In this process, concentrated ore is heated in the presence of surplus air. Example: Zinc blende, ZnS, a sulphide ore of zinc, is roasted in the presence of air. Onroasting​, zinc sulphide gets transformed into zinc oxide.

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Lakhmir Singh Class 10 Chemistry (Science)
Chapter 3 Metals and Non-metals
Q 88 | Page 195
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