Name an ore of zinc other than zinc oxide. Also, name the process by which this ore can be converted into zinc oxide? [2 MARKS]

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Solution

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The ore of zinc other than zinc oxide is zinc carbonate (calamine). It has the formula $Z n C O_{3}$ .
Calamine is converted into zinc oxide by calcination i.e., by heating strongly in the absence of air.

$Z n C O_{3} (s)$ → $Z n O (s)$ + $C O_{2} (g)$

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