Rusting

Question 1

How do you stop a metal rusting?

Answer 1

Rust prevention may rely on keeping oxygen and water away from the surface of the iron or steel. Ways to do this include painting, using oil or grease, coating with another plastic, or coating with another metal.

Question 2

How and why is an object electroplated?

Answer 2

A metal object can be electroplated to improve its appearance and improve its resistance to corrosion. A thin layer of an unreactive metal such as nickel, silver or gold is deposited on the surface of the metal object, keeping air and water out.