Q.1.
Which of the following is not true about the galvanic method of oxygen analysis?

Explanation

Q.2.
Which of the following is true about Hersch cell which is one of the arrangements of a galvanic cell?

Explanation

Q.3.
Polarographic cells type of electrochemical method uses which of the following concepts?

Explanation

Q.4.
Which of the following methods, is the widely used method for trace gas analysis?

Explanation

Q.5.
In the conductometric method, the difference in gas conductivity before and after passing sample gas denotes which of the following?

Explanation

Q.6.
Conductometric method is not very suitable for measuring traces of which of the following gases in ppb range?

Explanation

Q.7.
Polarographic cells are not sensitive to which of the following gases?

Explanation

Q.8.
In polarographic cell when potential is applied, oxygen is reduced at __________ when KCl is present.

Explanation

Q.9.
Polarographic cells are used to measure the partial pressure of gases only in static gas monitoring systems and not in continuous streams.

Explanation

Q.10.
Polarographic cells used for measuring the partial pressure of oxygen are temperature-sensitive.

Explanation