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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

In the manufacture of iron from an iron ore, limestone is added because it acts as:

Answer: (C)

Solution

Limestone decomposes to CaO, which combines with silica (sand/gangue) to form

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Question ID VK-147762