In an electrolytic set-up to protect iron from corrosion, the iron is?
A
made cathode
B
made anode
C
used with a metal of lower electropositive potential
D
initially coated with tin
Verified Correct Answer: A.
Chemical Principles & Mechanism
In cathodic protection,iron object is made cathode by connecting it with reactive elements like magnesium,zinc.
Source: WAEC / JAMB / NECO Classroom Archive (Record #13591)