Which of the following can undergo
Question:
Which of the following can undergo a chemical reaction ?
(a) MgSO4 + Zn
(b) ZnSO4 + Fe
(c) CaSO4 + Pb
(d) CuSO4 + Al
Solution:
(d). Only Al can displace Cu from CuSO4 solution since it is placed above Cu in the activity series.