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Calamine Ore Can Be Converted into Zinc Oxide by the Process Of: (A) Dehydration (B) Roasting (C) Calcination (D) Sulphonation - Science

Calamine ore can be converted into zinc oxide by the process of:
(a) dehydration
(b) roasting
(c) calcination
(d) sulphonation

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Solution

(c) calcination
Calamine (ZnCO3, zinc carbonate) is a carbonate ore of zinc. Carbonate ores are converted to metal oxides by calcination (heating in the absence of air). When calamine ore (zinc carbonate) is heated in the absence of air, it is converted into zinc oxide.

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APPEARS IN

Lakhmir Singh Class 10 Chemistry (Science)
Chapter 3 Metals and Non-metals
Q 90 | Page 195
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