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JEE Main 2012 Chemistry question

ChemistryGeneral Principles and Processes of Isolation of Elements (Metallurgy)JEE Main 2012

Not in JEE Main or NEET syllabus

In the electrolysis of alumina to obtain aluminium metal, cryolite is added mainly to

Answer: (1)

Solution

Cryolite lowers the melting temperature of the electrolyte from about 2050°C to about 950°C

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Question ID VK-103496