The chemical that is added to reduce the melting point of the reaction mixture during the extraction of aluminium is :
Solution
Alumina is mixed with Na<sub>3</sub>AlF<sub>6</sub> (Cryolite) and CaF<sub>2</sub> to lower the melting point of mixture.
About this question
Subject: Chemistry · Chapter: p-Block Elements · Topic: Group 13: Boron Family
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