Which of the following reference electrodes are used as internal and external reference electrodes in combination electrodes?
A. Silver/silver chloride electrode
B. Calomel electrode
C. Mercury/mercury sulphate electrode
D. Mercury/mercury chloride electrode
Answer:A
Which of the following reference electrodes are used as internal and external reference electrodes in combination electrodes?
A. Silver/silver chloride electrode B. Calomel electrode C. Mercury/mercury sulphate electrode D. Mercury/mercury chloride electrode
Explanation: Silver/silver chloride electrode is used as internal and external reference electrodes in combination electrodes. Internal reference electrode is identical with external reference electrode.