In pig iron the concentration of C-atom is ___________________?
A0.12 — 0.25%
B0.25 — 2.5%
C2.5 — 4.5%
D2.0 — 4.0%
Correct answer
C. 2.5 — 4.5%
Explanation
2.5 — 4.5% is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.