State whether the statement is true or false. "The image shows iron nail dipped in copper sulphate solution. Reaction takes place and some time later, iron sulphate is observed in the solution. In this reaction gold nail can also be used instead of iron."
What happened when iron nail are placed in copper sulphate solution ? write word equations of all the reaction taking place in this process .
Which type of reaction takes place when an iron nail is dipped in a solution of copper sulphate?