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Which of the following metals are produced by the electrolysis of their molten compounds? 

A) Copper 

B) Silver 

C) Aluminium 

D) Sodium 

A. A and B 

B. Band C 

C. C and D 

D. only D

1 Answer

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C. C and D 

Both Aluminum and Sodium metals are produced by the electrolysis of their molten compounds because they are not freely available. They need to be extracted from their sources.

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