Multiple choice

Galvanized iron is the iron plate coated with _______.

  1. Diamond

  2. Copper

  3. Magnesium

  4. Zinc

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Galvanization is the process of applying a protective zinc coating to steel or iron to prevent rusting. The zinc acts as a sacrificial anode to protect the underlying metal.