Class 12 Chemistry Metallurgy General Principles and Processes of Isolation of Elements
The main reactions occurring in blast furnace during extraction of iron from hematite are ________.
(a)
(b)
(c)
(d)
Correct answer: (d) 
Solution: Iron ore is converted to iron in a special type of furnace called as blast furnace. 
Following are the two main reactions that occur in furnace.

(i) Reduction of with :

__________________________________


(ii) Slag formation:


Hence, the correct options are (A) and (D).

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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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metallurg