Questions
Aluminium is obtained by
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a
electrolyzing Al2O3 dissolved in Na3AlF6
b
reducing Al2O3 with coke
c
reducing Al2O3 with chromium
d
heating Al2O3 and cryolite
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Correct option is A
Al from Al2O3 can be obtained only by electrolysis of fused Al2O3 dissolved in Na3AlF6Similar Questions
Statement-I: Boron does not form [BF6]3-.
Statement-II: Boron does not have d - subshell in its valence shell.
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