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Question
The cyanide process is used for obtaining
- (a)
-
- (c)
-
The correct answer is:
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In electrolytic refining of metals, electrolysis of an aqueous solution of its complex salt is done with impure metal as anode and an strip of pure metal as cathode. This method cannot be used for the refining of the metal
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Which metal can't be obtained from electrolysis
Which metal can't be obtained from electrolysis
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Aluminium is produced on a large scale by electrolysis of alumina, dissolved in fused cryolite and a little fluorspar. These two electrolytes, cryolite and fluorspar are respectively
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In the metallurgical extraction of zinc from the reducing agent used is
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After partial roasting, the sulphide of copper is reduced by
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