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Q.

The metal iron obtained from the blast furnace contains ‘X’ percent of carbon. The maximum value of ‘X’ is

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a

2

b

1

c

3

d

4

answer is D.

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Detailed Solution

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.

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