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Aluminium is obtained by the electrolysi...

Aluminium is obtained by the electrolysis of pure of `Al_(2)O_(3)` dissolved in

A

Alumina

B

Bauxite

C

Cryolite

D

Felspar

Text Solution

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The correct Answer is:
C
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Aluminium is produced commercially by the electrolysis of Al_(2)O_(3) . How many hours would be required to produce 250 g of Al usinga 5.00 ampere current?

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Extraction of aluminium can be understood by : Electrolytric reduction of Al_(2) O_(3) : Electrolysis : Al_(2) O_(3) + Cryolite + CaF_(2) Cathode : Carbon inside the Fe container Anode : Graphite rods. The function of fluorspar (CaF_(2)) is.

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NARAYNA-METTALURGY-Extraction of metals
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  19. When Bauxite is heated with NaOH solution, the water soluble compound ...

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