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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

Aluminium is extracted from alumina () by electrolysis of a molten mixture of:

Answer: (A)

Solution

In the Hall–Héroult process, purified alumina is dissolved in molten cryolite (), with a small amount of fluorspar () added to

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Question ID VK-138654