Direct current is used for various electrochemical processes, including electroplating, refining of copper and aluminum, electrotyping, production of industrial gases by electrolysis, and charging of storage batteries.

Question

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Direct current (DC) is preferred for electrochemical processes because it allows for the controlled flow of electrons necessary for the reactions involved in processes like electroplating, metal refining, electrotyping, production of gases by electrolysis, and battery charging.

Direct Current Is Used for Various Electrochemical Processes, Including Electroplating