Sodium selective electrode provides good response in measurement when the pH is above which of the following values?
A. 2
B. 3
C. 5
D. 10
Answer:D
Sodium selective electrode provides good response in measurement when the pH is above which of the following values?
A. 2 B. 3 C. 5 D. 10
Explanation: Sodium selective electrode provides good response in measurement when the pH of the solution is above 10. Hence, buffer solution is used.