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JAMB - Chemistry (1981 - No. 36)
In the extraction of iron, which of the following reactions does NOT take place in the blast furnace?
CO
2
+ C → 2CO
2Fe
2
O
3
+ 3C → 4Fe + 3CO
2
Fe
2
O
3
+ 3C → 2Fe + 3CO
2
CaCO
3
→ CaO + CO
2
CaO + SiO
2
→ CaSiO
3
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