Which of the following metals will act as sacrificial metals in cathodic production?

Which of the following metals will act as sacrificial metals in cathodic production? Correct Answer Magnesium, zinc and magnesium

Sacrificial metals are the metals that corrode preferentially over the metallic structure that needs to be protected. This cathodic protection works on the principle of the galvanic effect. Tin, zinc, magnesium are the common sacrificial metals used.
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