1.

The main reactions occurring in blast furnace during extraction of iron from haematite are....

Answer»

`Fe_(2)O_3 + 3CO to 2Fe + 3CO_2` 
`FeO + SiO_2 to FeSiO_3`
`Fe_2O_3 + 3C to 2Fe + 3CO` 
`CaO + SiO_2 to CaSiO_3`

SOLUTION :`CO` is reducing agent in extraction of iron and CaO formed by THERMAL DECOMPOSITION of `CaCO_3`, acts as a flux to remove silica IMPURITY as slag


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