- Flow of electrons through a conductor is called electric current. The substances which do not allow the electric current to pass through them are called insulators.
An ionic compound or electrovalent compound is formed when electropositive atoms donate electrons and electronegative atoms accept them.
Electrolysis is the process due to which a chemical compound in fused state or in aqueous solution undergoes a chemical change on passing the current through it.
The graphite or metal rods through which electric current enters or leaves from an electrolyte are called electrodes.
Cathode is the electrode, which is connected to negative terminal o…
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