Acid A and acid B are of equal concentration and are tested with a conductivity apparatus. When the electrodes are placed in acid A, the bulb glows dimly. When they are placed in acid B, the bulb glows more brightly. Which of the following is true?
a. Acid A is stronger than acid B.
b. Acid B is stronger than acid A.
c. Acid A and acid B are of equal strength.
d. No comparison of strength can be made from the results
Answer: B