Which is NOT a raw material used in the extraction of iron?ACarbon monoxideBLimestoneCAirDHaematite
Question
Which is NOT a raw material used in the extraction of iron?
A) Carbon monoxide
B) Limestone
C) Air
D) Haematite
Solution
The correct answer is A. Carbon monoxide.
Explanation:
In the extraction of iron, the raw materials used are iron ore (such as haematite), limestone, and coke (a form of carbon). Air is also used in the process to provide oxygen for the reactions.
Carbon monoxide is not a raw material used in the extraction of iron. Instead, it is a product of the reactions that occur in the blast furnace during the extraction process. Carbon monoxide is produced when the coke reacts with the oxygen in the air, and it is then used to reduce the iron ore to iron.
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