Question

Zn --> ZnO --> ZnCl2 --> Zn(OH)2 --> ZnSO4

            |

          ZnBr2

Answer 1

2Zn+O2 = 2ZnO

ZnO+2HCl = ZnCl2+H2O

ZnO+2HBr = ZnBr2+H2O

ZnCl2+2NaOH=2NaCl+Zn(OH)2

Zn(OH)2+H2SO4=ZnSO4+2H2O