Question

Which of the the following has lowest percentage of carbon?

• A. Cast ion
• B. Wrought iron
• C. Steel
• D. All have same percentage

Answer 1

The correct option is B Wrought iron

Stainless steel contains about 15% carbon steel which is high carbon content.

Wrought iron is an iron with a very low carbon content i.e. about 0.08%.

Cast iron contains about 2-4% carbon.

Among all, wrought iron contains the lowest percentage of carbon.

Hence, the correct option is (B).