Question

What is meant by electrodeposition?

(a) Immersing native metal in a solution of the metal to be plated

(b) Hot rolling of two metals together to get a composite sheet

(c) A wire or powder through melting flame is blown onto the surface to be protected

(d) Coating metal is vaporized electrically to deposit on the metals to be coated

This question was addressed to me in an international level competition.

My question comes from Corrosion Prevention topic in division Corrosion Prevention of Corrosion Engineering

Answer 1

Correct choice is (a) Immersing native metal in a solution of the metal to be plated

Explanation: Electrode position is an immersion of native metal in a solution of the metal to be plated with direct current passing through them. It is also called electroplating.