Question

What is difference between corrosion and chemical etchings and electrochemical dissolution?

Answer 1

The energy of the system is lowered as the metal converts to a more stable form, in this case nonmetallic corrosion products. This electrochemical process can occur uniformly or nonuniformly across the metal surface, which is called the “electrode” and the ionically conducting liquid is called the “electrolyte.”

Answer 2

Answer:

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Electrochemical corrosion of metals occurs when electrons from atoms at the surface of the metal are transferred to a suitable electron acceptor or depolarizer .