Question

Air and water are essential for corrosion explain the procedure

Answer 1

Explanation:

air and water are essential for corrosion as iron when reacts with these two it get damaged and the iron on that object corrodes. it can be protected by a process called galvanization.

Answer 2

Answer:

Corrosion is the Slow eating up of metal by the action of air and water on their surfaces.During corrosion The pure metal changes to original form,i.e,mineral or ore.

Condition necessary for corrosion are:

a)Exposed metal surface

b)The metal surface must be in contact with air , water or oxygen.

c)The air must contain moisture.

Preventing methods of corrosion:

a)By painting the metal articles.

b)The machine parts can be oiled and greased.

c)By coating with nickel or chromium electrolytically.