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Name an ore of zinc other than zinc oxid...

Name an ore of zinc other than zinc oxide. By which process can this ore be converted into zinc oxide ?

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The ore of zinc other than zinc oxide (zincite) is zinc carbonate (calamine). It has the formula `ZnCO_(3)`. Calamine is converted into zinc oxide by calcination i.e., by heating strongly in the absence of air.
`ZnCO_(3)(s) overset("heat")rarrZnO(s) + CO_(2)(g)`
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