Q.
The form of iron having the highest carbon content is
A) Cast iron
B) Wrought iron
C) Stainless steel
D) Mild steel
Explanation
(a)
Cast iron has the highest percentage of carbon. It contains 2 to 4.5 % of carbon along with impurities such as sulphur, silicon, phosphorus etc. It is the least pure form of iron.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.