Answer:
yh
Explanation:
welcome.This place is for learning
Answer:
a
Explanation:
it would be the most reasonable
They are odourless, colourless monatomic gases with full outer shells
Answer:
By giving electricity to copper compound solution.
Explanation:
Electrolysis is one of the major way of refined copper. The copper containing solution has two electrodes.i) positive electrodes called anode. ii) negative electrodes called cathode. When electricity is pass into the copper containing solution electrolysis process is starts and impure copper is formed in anode and pure copper is formed in cathode.
So, We can get pure copper in cathode through electrolysis.
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