A) \[5-10\]
B) \[~0.25-2.5\]
C) \[2.5-4.5\]
D) \[0.12-0.2\]
Correct Answer: C
Solution :
Cast iron is an impure form of iron and contains about \[93-94%\]Fe,\[~2-4%\] carbon and remaining are the impurities of Si, P, S and Mn. It is obtained from pig iron.
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