Question

Na-Na2O-NaOH-Na2CO3-CO2-ZnCO3-ZnO-ZnCL2-Zn(OH)2-Na(Zn(OH)3)

Answer 1

4Na+O2=2Na2O
Na2O+H2O=2NaOH
2NaOH+CO2=Na2CO3+H2O
Na2CO3+2HCl=2NaCl+CO2+H2O
CO2+ZnO=ZnCO3
ZnCO3=ZnO+CO2
ZnO+2HCl=ZnCl2+H2O
ZnCl2+2NaOH=Zn(OH)2+2NaCl
Zn(OH)2+2NaOH =Na2[Zn(OH)4]