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Calcination is used in metallurgy for removal of

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Water and sulphide

Water and ${CO}_{2}$

${CO}_{2} and H_{2} S$

$H_{2} O and H_{2} S$

answer is B.

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Detailed Solution

${ZnCO}_{3} \to ZnO + {CO}_{2}$

In calcination ore is heated in absence of air in a reverberatory furnace to remove moisture and ${CO}_{2}$

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