Multiple choice

Which of the following statements is true about electrochemical cells?

  1. Oxidation takes place at cathode and reduction takes place at anode.

  2. Cathode is negative and anode is positive.

  3. Electrons flow from anode to cathode in the external circuit.

  4. Electrical energy is converted into chemical energy.

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Electrons flow from anode to cathode in the external circuit.