What material will oxidize when it is exposed to oxygen and water?

a. stone

c. plastic

b. metal

d. plants

The correct answer is letter B. metal. Metal will oxidize when it is exposed in oxygen and water. The physical change that is visible when metal is oxidized is the rust or it is corroded. Oxidation itself is a chemical reaction where electrons are lost. Electrons from the metal leaped into the molecules of oxygen.