Correct Answer is : Na3AlF6 and is used in the electrolysis of alumina for lowering the melting point and increasing the conductivity of alumina.

Na_3AlF_6 and is used in the electrolysis of alumina for decreasing electrical conductivity.

Na_3AlF_6(i and is used in the electrolysis of alumina for lowering the melting point of alumina only.

Na_3AlF_6 and is used in the electrolysis of alumina for lowering the melting point and increasing the conductivity of alumina.

Na_3AlF_6 and is used in the electrolytic refining of alumina.

KCET 2015 Chemistry Solved Paper

Question : 43 of 60

Marks: +1, -0

Cryolite is

Na3AlF6 and is used in the electrolysis of alumina for decreasing electrical conductivity.
Na3AlF6(i and is used in the electrolysis of alumina for lowering the melting point of alumina only.
Na3AlF6 and is used in the electrolysis of alumina for lowering the melting point and increasing the conductivity of alumina.
Na3AlF6 and is used in the electrolytic refining of alumina.

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