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How is 'Cast Iron' Different from 'Pig Iron'? - Chemistry

How is 'cast iron' different from 'pig iron'?

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Solution

The iron obtained from blast furnace is known as pig iron. It contains around 4% carbon and many impurities, such as S, P, Si, Mn, in smaller amounts.

Cast iron is obtained by melting pig iron and coke using a hot air blast. It contains a lower amount of carbon (about 3%) than pig iron. Unlike pig iron, cast iron is extremely hard and brittle.

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APPEARS IN

NCERT Class 12 Chemistry Textbook
Chapter 6 General Principles and Processes of Isolation of Elements
Q 15 | Page 164
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