In which of the following solutions must combination electrodes be soaked after cleaning?
A. KCl
B. LiCl
C. KNO3
D. K2SO4
Answer:A
In which of the following solutions must combination electrodes be soaked after cleaning?
A. KCl B. LiCl C. KNO3 D. K2SO4
Explanation: Combination electrodes can be soaked in KCl solution after cleaning. This will re-condition the bulb and increases its life.