69) Metals can be prevented from rusting by A\rbrack connecting iron to more electropositive metal cathodic protection b) connecting iron to more electropositive metal anodic protection c) connecting iron to less electropositive metal anodic protection D\rbrack Connecting iron to less electropositive metal cathodic protection

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Which metal is used to galvanise iron to protect it from rusting ?

The technique of protecting a metal from corrosion by connecting it to a second metal (that is more easily oxidized) is called:

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