The smelting of iron in a blast furnace involves all the following processes except :

combustion

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reduction

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slag formation

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sublimation

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Solution

The correct option is D sublimation
The smelting of iron in a blast furnace involves all the following processes except Sublimation.
Sublimation is the transition of a substance directly from the solid to the gas phase without passing through the intermediate liquid phase.

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Similar questions

The smelting of ore in a blast furnace involves, which of the following process /(es)?

C O

{C O}_{2}

1) Abraham Darby I	A) Cast iron
2) Abraham Darby II	B) Puddling process
3) Henry Cort	C) Blast furnace
	D) Conversion of pig iron into wrought iron using smelting
	E) Coke for the furnace

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