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:

  1. (b) Pig iron or cast iron contains 35 carbon and varying amounts of Mn,Si,P and S which makes the iron hard and brittle.


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