Which of the following statements about electrolysis is NOT correct?

• A.The substances in solution in the electrolyte become ionized
• B.Ions are electrically charged and are attracted towards electrodes when a potential difference is applied
• C.Ions may be discharged at the electrodes, forming bubbles or deposits
• D.The mass deposited depends upon the length of time for which current flows
• E.The mass of gas set free or metal deposited is proportional to the square of the current