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In the metallurgy of aluminium, purified bauxite is mixed with Na2AlF6.

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in Chemistry – Class 12 by (188k points)
In the metallurgy of aluminium, purified bauxite is mixed with Na2AlF6.

(a) True

(b) False

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The query is from Electrochemical Principles of Metallurgy in portion General Principles and Processes of Isolation of Elements of Chemistry – Class 12

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Correct option is (b) False

Explanation: In the metallurgy of aluminium, purified bauxite (Al2O3) is mixed with Na3AlF6 and CaF2 to lower the melting point and to increase conductivity. This mixture is fused and used as an electrolyte in Hall-Heroult process.

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