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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 sand stone in some iron ores is removed by:

Answer: (C)

Solution

Limestone acts as a basic flux that combines with the acidic sandstone (silica) gangue in iron ore,

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Question ID VK-145525