# The chemical process in the production of iron from haematite are involved

$(a)\;\text{Oxidation} \\(b)\;\text{Reduction} \\(c)\;\text{Oxidation followed by reduction} \\ (d)\;\text{Reduction followed by oxidation}$

The chemical process in the production of iron from haematite are involved Reduction followed by oxidation
Hence d is the correct answer.
answered Mar 17, 2014 by