Home › CBSE Class 12 (Science) › Chemistry › Electrochemistry › During refining of copper, impure copper is made…
During refining of copper, impure copper is made which electrode?
ACathode
BAnode
CSalt bridge
DReference
Answer & Solution
Correct answer: B. Anode
Impure copper dissolves at the anode, and pure copper deposits at the cathode.
Related questions
Which gas combustion gives only water, making it central to the Hydrogen Economy?Which metal is mentioned for a sacrificial electrode to protect iron?What is the chemical form of rust?What is the overall Eo of the cell for rusting of iron?What is the Eo of the Fe2+/Fe couple in the corrosion reaction?During rusting of iron, the spot that acts as the anode undergoes what?The rusting of iron needs the presence of what?What useful by-product of the Apollo fuel cell was used by astronauts?