3. Action of Zn, Fe, Cu and Al Metals on their Salt Solutions
(a) To observe the action of Zn, Fe, Cu and Al metals on the following salt solutions :
(i) ZnSO4 (aq)
(ii) FeSO4 (aq)
(iii) CuSO4 (aq)
(iv) Al2(SO4)3 (aq)
(b) Arrange Zn, Fe, Cu and Al metals in the decreasing order of reactivity based on the above results.