Question

Observation seen when zinc is added to copper sulphate

Answer 1

Zn+CuSO4 gives ZnSO4+Cu
where colourless solution of ZnSO4 is form and brown colour of copper

Answer 2

As Zn is more reactive than Cu, it displaces Cu from CuSO4 solution.

Zn+CuSO4 —> ZnSO4+ Cu

This is an example of displacement reaction.

Hope this helps!!