Question

Na->NaO->NaOH->Zn(OH)2->ZnO->Zn(NO3)2->ZnO

Answer 1

4Na+O2->2Na2O
Na2O + H2O -> 2NaOH
2NaOH + ZnCl2 -> Zn(OH)2 + 2NaCl
Zn(OH)2->ZnO + H2O
ZnO + 2HNO3 -> Zn(NO3)2 + H2O
Zn(NO3)2 -> ZnO + N2O5