Which of the following can be used for the isolation of aluminium ?

1.	Which of the following can be used for the isolation of aluminium ?
Answer» `Al_(2)O_(3) + 3C overset(Delta)rarr 2AL + 3CO uarr` `AlCl_(3)+ 3Na rarr 3NaCl + AL` `Al_(2)O_(3) + Fe rarr Fe_(2)O_(3)+Al` None Solution :Before 1886, Al was manufactured by chemical REDUCTION of `AlCl_(3)` with Na `AlCl_(3) + 3Na rarr 3NaCl+Al`.

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