Home Chemistry General Principles and Processes of Isolation of Elements ( Not In Syllabus ) General Aluminium is extracted by the electrolysis o…
Chemistry General Principles and Processes of Isolation of Elements ( Not In Syllabus ) General Single Correct MCQ
Published on: August 12, 2026

Aluminium is extracted by the electrolysis of :

A
Alumina
B
Bauxite
C
Moltencryolite
D
Alumina mixed with molten cryolite

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Text Solution

Verified by Experts
The correct answer is:
D

Electrolyte consists of molten Al2O3, Na3AlF6 or CaF2. Cryolite or fluorspar lowers the melting point and increase the conductivity of electrolyte. So option is correct.

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