The role of cryolite in the metallurgy of extraction of aluminium is to

Options

(a) increase the conductivity of the electrolyte
(b) decrease the melting point of electrolyte
(c) both (increases the conductivity of the electrolyte) and (decreases the melting point of electrolyte)
(d) no specific role at all

Correct Answer:

both (increase the conductivity of the electrolyte) and (decrease the melting point of electrolyte )

Explanation:

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