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Illustration o an electrolysis apparatus uised in a schuil laboratory.

In chemistry an manufacturin, electrolysis is a technique that uises a direct electric current (DC) tae drive an ithergates non-spontaneous chemical reaction. Electrolysis is commercially important as a stage in the separation o elements frae naiturally occurrin soorces such as ores uisin an electrolytic cell. The voltage that is needit for electrolysis tae occur is cried the decomposeetion potential.