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Which one of the following is the major ...

Which one of the following is the major impurity in pig iron?

A

Silicon

B

Sulphur

C

Graphite

D

Phosphorus

Text Solution

Verified by Experts

The correct Answer is:
C
It is an impure form of iron cast into blacks (Pigs) obtained from iron over by blast furnace process.
Graphite is he major impurity in pig iron. Pig-iron is later converted into cast iron or steel.
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