Question

6. Which of the following reactions happen?

(i)
Mg+CuSO4→M gSO4+Cu

(ii)
Ca+MgSO4→CaSO4+M g

(iii)
Cu+ZnSO4→CuSO4+Zn

(iv)
Fe+MgSO4→FeSO4+M g

a) (iii) and (iv) only
b) (i) and (iv) only
c) (ii) and (iii) only
d) (i) and (ii) only

Answer 1

2)Ca+MgSO4→CaSO4+M g

3)Cu+ZnSO4→CuSO4+Zn

c)2and3only