Which of the following is not the advantage of glass electrodes?
A. It gives accurate results for high as well as low pH values
B. It is simple to operate
C. It has no salt error
D. Modern electrodes can withstand severe treatment
Answer:A
Which of the following is not the advantage of glass electrodes?
A. It gives accurate results for high as well as low pH values B. It is simple to operate C. It has no salt error D. Modern electrodes can withstand severe treatment
Explanation: It gives accurate results for low pH values only ie. from 0 to 9. For high pH values, the glass becomes responsive to sodium and other cations.