Which is the purest form of iron?
A. Steel
B. Cast iron
C. Pig iron
D. Wrought iron
Answer: Option D
Solution(By Examveda Team)
Wrought iron is purest form of iron. It contain 99.5% iron, 0.25% carbon and 0.25% other impurities of S, P, Si etc.This Question Belongs to General Knowledge >> Chemistry
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