Class 12 Chemistry General Principles and Processes of Isolation of Elements Reduction to free Metal

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In the electrolysis of alumina $(Al_2O_3)$,cryolite $(Na_3AlF_6)$ is added to:

IIT 1986 All IIT

A
Increase the melting point of alumina
B
Increase the electrical conductivity
C
Minimise the anodic effect
D
Remove impurities from alumina

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Class 12 Questions

Class 12

Chemistry Questions

Chapter

General Principles and Processes of Isolation of Elements

Subtopic

Reduction to free Metal

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