Question

what changes are observed when an iron nail is dipped in copper sulphate solution?write the word equation for the reaction.​(class 7)​

Answer 1

Answer:

This reaction is called displacement reaction in which the reactive element Iron, Fe has displaced less reactive Copper from its solution, The chemical equation can be written as: Fe+CuSO4→Cu+FeSO4

Answer 2

when an iron nail is dipped in copper sulphate , the copper sulphate changes into iron sulphate and the iron nail rusts.