Which metal can be used as a sacrificial electrode to prevent the rusting of an iron pipe? which metal can be used as a sacrificial electrode to prevent the rusting of an iron pipe? cu ag al au?

Remember that rust prevented by placing a sacrificial electrode in electrical contact with the iron. the sacrificial electrode must be composed of a metal that  oxidizes  more easily than iron (that is, it must be below iron in table 18.1).

The size is 8inches if ur a girl