The reaction (s) which does (do) not occur in the reduction zone
in the extraction of iron from haematite ore is (are)

Options

A. `Fe_(2)O_(3) +CO rarr 2FeO +CO_(2)`
B. `FeO +Co rarr Fe +CO_(2)`
C. `Fe_(2)O_(3) +3C rarr 2Fe +3CO`
D. `CaO + SiO_(2) rarr CaSiO_(3)`

Answer

C, D

Explanation

`CaO +SiO_(2) rarr CaSiO_(3) (slag) 1000^(@)C`
`Fe_(2)O_(3) +3C rarr 2Fe +3CO` At.v.v high T. (Not possible in one step)