General Principles and Processes of Isolation of Metals - Topic Wise Multiple Choice Questions (MCQ)
1 )
The most abundant metal in the earth crust
Al ✔
Fe
Ca
Na
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2 )
Blister copper is
Pure copper
Ore of Cu
Alloy of Cu
Impure copper ✔
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3 )
The impurities associated are
Flux
Gangue ✔
Slag
Ore
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4 )
In Hall Heroult’s process cryolite is added to alumina to
Increase the conductivity
Lower the melting point ✔
Increase the mobility of iron
All of above
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5 )
______ metal is purified by Mond’s process
Zr
Ti
Ge
Ni ✔
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