Class 12 Chemistry Metallurgy General Principles and Processes of Isolation of Elements
What is the actual reducing agent of hematite in blast furnace?
(a)
(b)
(c)
(d)
None of these
Correct answer: (a) 
Solution: Reduction of hematite in blast furnace




First calcination and roasting, the ferrous oxide is oxidised to ferric oxide. Then in blast furnace, smelting is done, where it is reduced to get iron.Carbon monoxide is the actual reducing agent of hematite in blast furnace.

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general principles and processes of isolation of elements
metallurgical operations
metallurg
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general principles and processes of isolation of elements
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