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Which one of the following statements is...

Which one of the following statements is false?

A

During roasting, moisture is removed from the ore

B

The ore becomes free form almost all organic impurities

C

Calcination or ore is carrid out in absence of any blast of air

D

The concentrated zinc blende is subjected to calcination during its extraction by pyrometallurgy

Text Solution

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The correct Answer is:
D
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