Q. Which of the following elements is present as the impurity to the maximum extent in the pig iron?
A) Phosphorus
B) Manganese
C) Carbon
D) Silicon
Explanation
[Solution from source] Pig iron from the blast furnace contains about 4% carbon, far more than its silicon, manganese or phosphorus impurities. That high carbon content is what makes it hard and brittle. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.