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Question

What is the purpose of using Cryolite during electrolytic refining of Alumina?



A

To save electric power

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B

To keep the alumina in molten state

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C

To lower the melting point

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D

All of the choices

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Solution

The correct option is B

All of the choices


The purified Bauxite is melted in Blast furnance and Cryolite is added to lower the melting point and dissolve the ore.


Chemistry

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