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Explain the combustion zone in the extra...

Explain the combustion zone in the extraction of iron from its ore ? Write the chemical reaction occurring in that zone .

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The Lower Region ( Combustion Zone ) - The temperature is at `1500^(@)C`, In this region , coke burns with oxygen to form `CO_2` when the charge comes in contact with a hot blast of air .
`C+O_2 underset(Delta )overset(1500^(@)C) to CO_2+`heat
It is an exothermic reaction since heat is liberated .
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