Question

what happened when copper is dissolved in zinc sulphate solution

Answer 1

in small quantity it will turn into reddish brown precipitate
in excess quantity it will dissolve

Answer 2

Solution,

Zinc is more reactive than copper. When copper is dissolved in zinc sulphate solution, copper is replaced by zinc and it forms zinc sulphate.

The chemical reaction is as follows :

$Zn+CuSO_4\rightarrow ZnSO_4+Cu$

This type of reaction is called displacement reaction.

Learn more,

What happened when copper is dissolved in zinc sulphate solution?