Which is the main reducing agent during production of iron from iron ore in a blast furnace ?
Correct answer: A. CO
- A. CO
- B. C
- C. CO2
- D. H2
Explanation
Carbon monoxide is the principal reducing agent in a blast furnace; it removes oxygen from iron oxides to form iron and is itself oxidised to CO2. Carbon generates CO through combustion and gasification, but CO performs most of the reduction.
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