(a) Magnesium metal is used as a sacrificial anode to
Chapter , Problem 20.85(choose chapter or problem)
(a) Magnesium metal is used as a sacrificial anode to protect underground pipes from corrosion. Why is the magnesium referred to as a sacrificial anode? (b) Looking in Appendix E, suggest what metal the underground pipes could be made from in order for magnesium to be successful as a sacrificial anode.
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