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  4. The smelting of iron in the blast furnace involves all the following process EXCEPT

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Q. The smelting of iron in the blast furnace involves all the following process EXCEPT _____

General Principles and Processes of Isolation of Elements

Solution:

During the smelting of iron in blast furnace all the processes viz., oxidation (coke burns to give carbon monoxide), reduction (oxide ore is reduced to metal) and decomposition (limestone which acts as a flux, first gets decomposed to $CaO$ and $CO _2$ ). However, it does not involve process of sublimation