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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 role of fluorspar (), which is added in small quantities in the electrolytic reduction of alumina dissolved in fused cryolite (), is:

Answer: (B)

Solution

A small amount of fluorspar is added to the cryolite–alumina melt mainly to lower its viscosity and increase its

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Question ID VK-138539