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Question

In the metallurgy of Zinc, flux is not used because

A
Zinc ore has no impurities
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B
Zinc is volatile than impurites and is easily separated
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C
Zinc reacts with flux
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D
flux is volatile
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Solution

The correct option is D Zinc ore has no impurities
Zinc after roasting, converts to ZnO and it has no impurities. So, there is no need of adding flux to it.
Hence, Option "A" is the correct answer.

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