Question

why does the colour if copper sulphate solution change when an iron nail is dipped in it ? write two observations . write the chemical reaction involved in it​

Answer 1

observation is iron displaces copper from copper sulphate reaction- fe(s)+CuSo4(aq)+Cu(s)

Answer 2

Answer:

Explanation:

Because of displacement reaction

The colour of solution changes from blue to green

And iron nails get rusted in the solution