General Principles And Processes Of Isolation Of Elements Ques 3
3. Which of the following elements is present as the impurity to the maximum extent in the pig iron?
[2011]
(a) Manganese
(b) Carbon
(c) Silicon
(d) Phosphorus
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Answer:
Correct Answer: 3.(b)
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.
BETA
