General Principles and Processes of Isolation of Elements - Result Question 11
####11. Which of the following elements is present as the impurity to the maximum extent in the pig iron?
(a) Manganese
(b) Carbon
(c) Silicon
(d) Phosphorus [2011]
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Solution:
- (b) Pig iron or cast iron contains $3-5 %$ carbon and varying amounts of $Mn, Si, P$ and $S$ which makes the iron hard and brittle.
