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%


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