Answer :
Zn + CuCl₂ → ZnCl₂ + Cu
Redox; Zn oxidized, Cu reduced
HCl + NaOH → H₂O + NaCl
Non-redox; no change in oxidation states
2CO + O₂ → 2CO₂
Redox; C oxidized, O reduced
SO₃ + H₂O → H₂SO₄
Non-redox; no change in oxidatoin states
Redox; Zn oxidized, Cu reduced
HCl + NaOH → H₂O + NaCl
Non-redox; no change in oxidation states
2CO + O₂ → 2CO₂
Redox; C oxidized, O reduced
SO₃ + H₂O → H₂SO₄
Non-redox; no change in oxidatoin states