D-And F-Block Elements Ques 149
Question: Which of the following has lowest percentage of carbon
[DPMT 1984; CPMT 1989, 91, 94; KCET 2000]
Options:
A) Cast iron
B) Wrought iron
C) Steel
D) All have same percentage
Show Answer
Answer:
Correct Answer: B
Solution:
| Variety of irons | % of Carbon |
|---|---|
| Cast or Pig iron | 2.5 - 4% |
| Wrought iron | 0.12 - 0.25% |
| Steel | 0.2 - 0.5% |
