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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 purification method used for mineral (bauxite containing silica impurity) is:

Answer: (B)

Solution

Baeyer's process purifies bauxite by leaching the powdered ore with hot concentrated sodium hydroxide solution, which dissolves as

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Question ID VK-138510