1.

The smelting of iron in a blast furnace involves the following process except

Answer»

Combustion
reduction
SLAG formation
SUBLIMATION

Solution :In smelting of calcinated ORE, Iron oxide reduced to Iron.
Acidimpurities `SiO_(2)` forms slag with CaO `"" SiO_(2)+CaO to CaSiO_(3) ("slage")`
In Combustion zone carbon reduces `CO_(2)` to CO `"" CO_(2)+C to 2CO`


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