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Question

In the isolation of metals, calcination process usually results in :

A
metal hydroxide
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B
metal oxide
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C
metal carbonate
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D
metal sulphide
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Solution

The correct option is A metal oxide
In the isolation of metals, the calcination process usually results in the metal oxide.

During calcination, carbonate ores are decomposed to give metal oxides and carbon dioxide.

ZnCO3ΔZnO(s)+CO2(g)

Hence, the correct option is B.

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