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# In the extraction of iron $Fe_2O_3$ is reduced by

$(a)\;\text{Carbon dioxide} \\(b)\;\text{Carbon monoxide} \\(c)\;\text{Calcium carbonate } \\ (d)\;\text{Carbon}$
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In the extraction of iron $Fe_2O_3$ is reduced by carbon monoxide
Hence b is the correct answer.
answered Mar 17, 2014 by