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p-Block Elements - I
medium
For the electrolytic refining of aluminium, the three fused layers consist of
|
Bottom Layer |
Middle Layer |
Upper Layer |
A
|
Cathode of pure $Al$ |
Cryolite and fluorspar |
Anode of $Al$ and $Cu$ alloy |
B
|
Cathode of $Al$ and $Cu$ alloy |
Bauxite and cryolite |
Anode of pure $Al$ |
C
|
Anode of $Al$ and $Cu$ alloy |
Cryolite and barium fluoride |
Cathode of pure $Al$ |
D
|
Anode of impure $Al$ |
Bauxite, cryolite and fluorspar |
Cathode of pure $Al$ |
Solution
It’s Obvious.
Standard 11
Chemistry
