Question

Which statement correctly describes electrochemical cells?

A. Electrochemical cells involve only oxidation reactions.

B. Electrochemical cells involve only reduction reactions.

C. Electrochemical cells involve oxidation-reduction reactions.

D. Electrochemical cells do not involve oxidation-reduction reactions.​

Answer 1

Answer: C. Electrochemical cells involve oxidation-reduction reactions.

Explanation: Oxidation occurs at the anode, and reduction occurs at the cathode.