Question

What are the conditions necessary for rusting of iron.

Answer 1

• When a metal is exposed to the atmosphere in the presence of moisture, it reacts with Oxygen and water vapor present in the air to form its oxide which tarnishes the metal surface.
• The natural process, which converts a refined metal to a more stable form, such as its oxide, hydroxide, or sulfide is known as Corrosion.
• The process of corrosion of Iron articles in the presence of damp air is known as rusting.
• During rusting of Iron, a reddish-brown flaky layer will be formed on the surface of the Iron object which is known as rust.
• The major conditions for rusting are water and Air.