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Write down the reactions taking place in...

Write down the reactions taking place in different zones in the blast furnace during the extraction of iron.

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(a) At 500 - 800 K (lower temperature range in the blast furnace)
`3Fe_(2)O_(2)+CO to 2Fe_(3)O_(4)+CO_(2)`
`Fe_(3)O_(4)+4CO to 3Fe+4CO_(2)`
`Fe_(2)O_(3) to 2FeO+CO_(2)`
(b) At 900 – 1500 K (higher temperature range in the blast furriace)
`C+CO_(2) to 2CO`
`FeO+CO to Fe+CO_(2)`
(c) At 1550 – 2150 K (highest temperature range in the blast furnace).
`C+O_(2) to CO_(2)`
`FeO+C to Fe+CO`
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