H2O->O2->CuO->H2O->NaOH

Question

H2O->O2->CuO->H2O->NaOH

Answer 1

1) 6CO₂+6H₂O-->C₆H₁₂O₆+6O₂
2) 2Cu+O₂-->2CuO
3) CuO+C₂H₅OH -->CH₃CHO+Cu+H₂O
4) Na₂O+H₂O-->2NaOH