Zinc carbonate ore is converted into zinc oxide ore by the process called:

roasting

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calcination

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electrolysis

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anodising

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Solution

The correct option is B calcination
Calcination is a process in which the ore is heated strongly in the limited supply of air. This process is mainly used for carbonate and hydroxide ores. Zinc carbonate ore is converted into zinc oxide ore by the process called calcination.

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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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