Question

zn→zns→zno→zn(oh)2→zncl2

Answer 1

1)Zn + S = ZnS
2)ZnS + H2O = ZnO + H2S
3)ZnO + NaOH  = Zn(OH)2 + Na2O
4)Zn(OH)2 + 2HCl = ZnCl2 + 2H2O