a Give reason why copper is used to make hot water tanks but steel an alloy of iron is not b Explain...

Question

a Give reason why copper is used to make hot water tanks but steel an alloy of iron is not b Explain why the surface of some metals acquires a dull appearance when exposed to air for a long time

Accepted Answer

a Copper is used to make hot water tanks because it does not corrode easily but steel contains iron resulting in the formation of rust in the presence of water b The surface of some metals acquires a dull appearance when exposed to air for a long time because of the formation of an oxide layer on the surface of the metal

Lakhmir Singh Solutions Class 10 Chemistry Solutions for Exercise in Chapter 3 - Chapter 3 Metals and Non Metals