Question

Iron Is Galvanized By Coating It With

• A. (A)Zinc
• B. (B)Nickel
• C. (C)Copper
• D. (D)Chromium

Answer 1

The correct option is A

(A)Zinc

Explanation of correct answer

Correct answer: (A) Zinc

Galvanizing

Galvanizing is the process of dipping iron in a bath of molten zinc to produce a corrosion resistant, multi-layered coating of zinc-iron alloy and zinc metal.

Hence, the correct answer is option (A).

Explanation for Incorrect answer

(B) Nickel provides cathodic protection to the iron, and is also expensive. Hence, zinc is preferred over Iron.

(C) Copper has low reactivity, therefore, Copper can't be used for galvanizing.

(D) Chromium can be electroplated over Iron, but it is quite expensive. Hence zinc is preferred over copper.