JEE · NEET Previous Year Question
Aluminium is extracted by the electrolysis of
Topic: JEE PYQ
Answer: D. Full step-by-step solution below.
- Aalumina
- Bbauxite
- Cmolten cryolite
- Dalumina mixed with molten cryolite
Correct answer: D
Solution
(d)Electrolyte consists of molten , or . Cryolite or fluorspar lowers the melting point and increase the conductivity of electrolyte. So option (d) is correct.More Metallurgy PYQs
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