The following is employed as sacrificial anode to provide cathodic protection to ships, pipelines and storage tanks.

The following is employed as sacrificial anode to provide cathodic pro

1.	The following is employed as sacrificial anode to provide cathodic protection to ships, pipelines and storage tanks.
A.	Iron
B.	Copper
C.	Nickel
D.	Magnesium
Answer» E.

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The following is employed as sacrificial anode to provide cathodic protection to ships, pipelines and storage tanks.

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