Question

when a piece of iron is put into cupric sulphate solution iron displaces copper and forms ferrous sulphide which reaction is it
among substitution reaction addition reaction decomposition and dissociation ​

Answer 1

Answer:

This is an example of Substitution Reaction. It is also called single displacement reaction.

Answer 2

Answer:

as iron is more reactive than copper iron displaces copper and forms ferrous sulphate this is called displacement reaction