(C) The carbon content in different forms of iron is as follows: $1$. Wrought iron is the purest form of iron with carbon content less than $0.15\%$.

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Wrought iron less than $0.15\%$ carbon; steel $0.15$ to $2.0\%$ carbon; and pig iron over $2\%$ carbon

(C) The carbon content in different forms of iron is as follows: $1$. Wrought iron is the purest form of iron with carbon content less than $0.15\%$. $2$. Steel is an alloy of iron with carbon content ranging from $0.15\%$ to $2.0\%$. $3$. Pig iron is the most impure form of iron with carbon content over $2\%$.

Class 12 Chemistry General Principles and Processes of Isolation of Elements Reduction to free Metal

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Which one of the following statements shows the correct percentage of carbon in steel,pig iron and wrought iron?

A
Steel containing less than $0.15\%$ carbon; wrought iron $0.15$ to $2.0\%$ carbon; and pig iron over $2\%$ carbon
B
Pig iron less than $0.15\%$ carbon; wrought iron $0.15$ to $2.0\%$ carbon; and steel over $2\%$ carbon
C
Wrought iron less than $0.15\%$ carbon; steel $0.15$ to $2.0\%$ carbon; and pig iron over $2\%$ carbon
D
Wrought iron less than $0.15\%$ carbon; pig iron $0.15$ to $2.0\%$ carbon; and steel over $2.0\%$ carbon