Question

осуществить превращения Zn-ZnO-ZnCl2-Zn(OH)2-ZnSO4

Answer 1

2Zn+O2=2ZnO
ZnO+2HCl=ZnCl2+H2O
ZnCl2+2NaOH=Zn(OH)2+2NaCl
Zn(OH)2+H2SO4=ZnSO4+2H2O

Answer 2

1)$2Zn+O _{2} =2ZnO$
2)$ZnO+2HCl=ZnCl _{2} +H _{2}O$
3)$ZnCl _{2} +2NaOH=Zn(OH) _{2} +2NaCl$
4)$Zn(OH) _{2} +H _{2} SO _{4} =ZnSO _{4}+H _{2} O$