Science, asked by mamta591, 5 months ago

iron obtained from blast furnace us contaminated with ______.

Answers

Answered by tanushreedas3000

Explanation:

Silica has to be removed from the pig iron. It reacts with calcium oxide (burned limestone) and forms a silicate which floats to the surface of the molten pig iron as "slag". Historically, to prevent contamination from sulfur, the best quality iron was produced with charcoal.

Answered by Anonymous

i think answer is charcoal.......

hope it helps.......

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