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Question
Which of the following is the purest form of iron?
Which of the following is the purest form of iron?
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Solution
The correct option is C Wrought iron
Wrought iron is the purest form of iron. In extraction of iron from iron oxide in blast furnance, obtained iron contains 4% of carbon and impurities. This is know as Pig iron. This iron is melted using scrap iron and coke in hot air blast to get cast iron. It is again heated in reverberatory lined with haematite to obtain purest form of iron known as wrought iron.
Wrought iron is the purest form of iron. In extraction of iron from iron oxide in blast furnance, obtained iron contains 4% of carbon and impurities. This is know as Pig iron. This iron is melted using scrap iron and coke in hot air blast to get cast iron. It is again heated in reverberatory lined with haematite to obtain purest form of iron known as wrought iron.
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