Multiple choice

In order to prevent the corrosion of iron pipes, they are often coated with a layer of zinc. This process is termed as

  1. electroplating

  2. annealing

  3. galvanization

  4. vulcanization

Reveal answer Fill a bubble to check yourself
C 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.