OMTEX CLASSES: Have you ever peeped into the store room of your home

Have you ever peeped into the store room of your home

Have you ever peeped into the store room of your home ? If you have, you must have seen some old and out of use articles made of iron. They are usually covered with a reddish layer. Do you know what red layer is called ?

Ans. The reddish brown colour is deposited over the surface of iron is because of oxidation i.e. formation of Fe2O3.H2O.