Which of the Following Reactions Does Not Involve Oxidation-Reduction?
A)CH₄ $\to$

Which of the following reactions does not involve oxidation-reduction?

A) CH₄ + 3O₂ $\to$ 2H₂O + CO₂
B) Zn + 2HCl $\to$ ZnCl₂ + H₂
C) 2Na + 2H₂O $\to$ 2NaOH + H₂
D) MnO₂ + 4HCl $\to$ Cl₂ + 2H₂O + MnCl₂
E) All are oxidation-reduction reactions.