Corrosion of some metals is an advantage. Explain with an example.
(a) What is corrosion? What are the necessary conditions for corrosion?
(b) State under what conditions corrosion is faster.
(c) Corrosion can be an advantage in some cases.Explain.
In electro-chemical corrosion of metals, the metal undergoing corrosion:
is corrosion of metal an exothermic reaction or an endothermic reaction ??