Subject :NSO Class : Class 8
Which of the following reactions are possible?
(i) Mg + CuSO4 → MgSO4 + Cu
(ii) Ca + MgSO4 → CaSO4 + Mg
(iii) Cu + ZnSO4 → CuSO4 + Zn
(iv) Fe + MgSO4 → FeSO4 + Mg
A (iii) and (iv) only
B (i) and (iv) only
C (ii) and (iii) only
D (i) and (ii) only