a
electrolysis of the purified ore
b
froth floatation of the smelted ore
c
reduction of the ore with coke in a furnace
d
roasting the ore in excess supply of air
Explanation
Correct Option
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emmanuelasukwo
2 months ago
The correct answer is A
Aluminum is extr91acted by electrolysis metheod because it is also very reactive and high in the activity series of metals
it can not be done using reductiin method which is a method used to extract iron from its ore Fe2CO3
Aluminium is extracted using bayer and Hall-Her
