Carbon is present in the combined form (carbide) in case of______________________?
Correct answer: B. All A., B. & C.
- A. Pig iron
- B. All A., B. & C.
- C. Ferroalloys
- D. Steel
Explanation
In pig iron, steel and ferroalloys, carbon commonly occurs chemically combined with iron or another metal as carbide, although some cast irons can also contain free graphite. Thus the conventional metallurgy classification selects all three.
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