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Question

The form of iron obtained from blast furnace is:

A
steel
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B
cast iron
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C
pig iron
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D
wrought iron
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Solution

The correct option is D pig iron
The iron obtained from Blast furnace contains about 4% carbon and many impurities in smaller amount (e.g., S,P,Si,Mn). This is known as pig iron and cast into a variety of shapes.

Hence, the correct option is (C)

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