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Q.

Which process is used to oxidise impurities present in crude metal that is obtained by reduction of ore?

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a

Poling of blister copper

b

Manufacturing of steel from pig iron.

c

Cupellation of silver

d

VanArkel process of Titanium

answer is B.

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Detailed Solution

In manufacturing of steel from pig iron, impurities are selectively oxidized in Bessemer converter.In case of cupellation of silver, the impurity lead is selectively oxidized
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