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In the modern blast furnaces, the charge consists of a mixture of
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The correct answer is:
Calcined iron oxides + limestone + coke
Modern blast furnaces consists of
\(\underset{1}{\mathrm{CaCO}_3} \underset{\vdots}{+} \underset{4}{\text { Coke }} \underset{\vdots}{+} \underset{8}{\text { Calcinedironoxide }}\)
and following reaction takes place
\(\mathrm{Fe}_2 \mathrm{O}_3+3 \mathrm{CO} \rightarrow 2 \mathrm{Fe}+3 \mathrm{CO}_2\)
\(\underset{1}{\mathrm{CaCO}_3} \underset{\vdots}{+} \underset{4}{\text { Coke }} \underset{\vdots}{+} \underset{8}{\text { Calcinedironoxide }}\)
and following reaction takes place
\(\mathrm{Fe}_2 \mathrm{O}_3+3 \mathrm{CO} \rightarrow 2 \mathrm{Fe}+3 \mathrm{CO}_2\)
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