Even minute presence of impurities in copper impairs its electrical conductivity seriously. Electrolytic refinning of blister copper is resorted to, when Options: A . &nbspCheap electricity is available B . &nbspThe precious metal content of copper is high C . &nbspThere is a demand for ultrapure (99.99%) electrolytic copper D . &nbspAll of the above

Even minute presence of impurities in copper impairs its electrical conductivity

Question

Even minute presence of impurities in copper impairs its electrical conductivity seriously. Electrolytic refinning of blister copper is resorted to, when

Options:

A . Cheap electricity is available

B . The precious metal content of copper is high

C . There is a demand for ultrapure (99.99%) electrolytic copper

D . All of the above

Answer: Option D

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