In the electrolysis of alumina, cryolite is added toA. lower the melting point of aluminaB. increaases the electrical conductivityC. both (a) and (b)D. remove impurities from alumina

In the electrolysis of alumina, cryolite is added toA. lower the melti

1.	In the electrolysis of alumina, cryolite is added toA. lower the melting point of aluminaB. increaases the electrical conductivityC. both (a) and (b)D. remove impurities from alumina
Answer» Correct Answer - A Cryolite `(Na_(2)AlF_(6))` is added to `Al_(2)O_(3)` before electrolysis to lower the fusion temperature of bauxite in order to dissolve it and to make it good conductor of current.

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In the electrolysis of alumina, cryolite is added toA. lower the melting point of aluminaB. increaases the electrical conductivityC. both (a) and (b)D. remove impurities from alumina

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