Question

define corrosion, mention the type of corrosion

Answer 1

Corrosion is the deterioration of a metal as a result of chemical reactions between it and the surrounding environment.  Both the type of metal and the environmental conditions, particularly gasses that are in contact with the metal, determine the form and rate of deterioration

Answer 2

rusting is a type of corrosion, air and water are the essential things for rusting..