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

Question: Even minute presence of impurities in copper impairs its electrical conductivity seriously. Electrolytic refinning of blister copper is resorted to, when
[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 (a), (b) & (c).

Answer: Option D

Explanation:

No answer description available for this question.