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Question
Chemistry
In blast furnace iron oxide is reduced by
Q. In blast furnace iron oxide is reduced by
1790
212
KCET
KCET 2005
General Principles and Processes of Isolation of Elements
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A
Hot blast of air
9%
B
Carbon monoxide
61%
C
Carbon
19%
D
Silica
11%
Solution:
In the blast furnace iron oxide is reduced as
3
F
e
2
O
3
+
CO
→
300
−
40
0
∘
C
2
F
e
3
O
4
+
C
O
2
F
e
3
O
4
+
CO
→
500
−
60
0
∘
C
3
F
e
O
+
C
O
2
F
e
O
+
CO
⟶
70
0
∘
C
F
e
+
C
O
2