Multiple choice

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

  1. electroplating.

  2. annealing.

  3. galvanisation.

  4. vulcanisation.

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 most common method is hot-dip galvanizing, in which parts are submerged in a bath of molten zinc.