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Question

Coke is used in the manufacture of ______.

A
sodium
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B
pottassium
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C
steel
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D
mercury
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Solution

The correct option is C steel
Coke is a pure form or allotrope of carbon. It is used in the manufacture of steel, as a fuel and as a reducing agent in extraction of various metals.

Steel is an alloy of carbon and iron. Presence of carbon in the steel makes it harder and more durable than pure iron.

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