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JEE Main Chemistry question

ChemistryGeneral Principles and Processes of Isolation of Elements (Metallurgy)JEE Main

Not in JEE Main or NEET syllabus

The temperature of a blast furnace used to produce iron from its ore varies from at the top of the furnace to about at the bottom. The reaction between the ore and CO at the lowest temperature () is:

Answer: (A)

Solution

In the coolest (uppermost, ) zone of the blast furnace, the first reduction step converts haematite to magnetite:

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Question ID VK-147887