Give reason for the following: a) Metals are regarded as electropositive elements. b) When a piece of copper metal is added to a solution of Zinc sulphate, no change take place, but the blue colour of copper sulphate fades away when a piece of zinc is placed in its solution . c) Articles of aluminium do not corrode even though alluminium is an active metal.

Harshit Singh , 2 Years ago

Grade 12th pass