Description : Define Atmospheric corrosion. State the factors affecting rate of atmospheric corrosion.
Last Answer : Atmospheric corrosion: This type of corrosion occurs when metal surface comes in immediate contact directly with atmospheric gases like O2, Cl2, Br2, I2, H2S, CO2, SO2, NO2 etc. Factors affecting rate of atmospheric corrosion:- 1) Impurities in the atmosphere. 2) Moisture in the atmosphere.