JEE Main Chemistry question

Chemistry General Principles and Processes of Isolation of Elements (Metallurgy)JEE Main

Not in JEE Main or NEET syllabus

In the modern blast furnaces, the charge consists of a mixture of

(A)Iron pyrites + bituminous coal
(B)Hydrated iron oxides + dolomite + coke
(C)Calcined iron oxides + limestone + cokeCorrect
(D)Calcined iron oxides + lime + anthracite coal

Answer: (C)

Solution

The standard blast furnace charge consists of the calcined iron ore (haematite), limestone (the flux, which decomposes to CaO and then slags off the silica gangue) and coke

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Question ID VK-145241