Electrochemical Methods for Oxygen Analysis Online Exam Quiz
Electrochemical Methods for Oxygen Analysis GK Quiz. Question and Answers related to Electrochemical Methods for Oxygen Analysis. MCQ (Multiple Choice Questions with answers about Electrochemical Methods for Oxygen Analysis
Beer Lambert's law gives the relation between which of the following?
Options
A : Reflected radiation and concentration
B : Scattered radiation and concentration
C : Energy absorption and concentration
D : Energy absorption and reflected radiation
Beer's law states that the intensity of light decreases with respect to ___
Options
A : Concentration
B : Distance
C : Composition
D : Volume
Conductometric method is not very suitable for measuring traces of which of the following gases in ppb range?
Options
A : H2S
B : SO2
C : NH3
D : CO
In polarographic cell when potential is applied, oxygen is reduced at __ when KCl is present.
Options
A : Anode
B : Cathode
C : Electrolyte
D : Both the electrode
In which of the following ways, absorption is related to transmittance?
Options
A : Absorption is the logarithm of transmittance
B : Absorption is the reciprocal of transmittance
C : Absorption is the negative logarithm of transmittance
D : Absorption is a multiple of transmittance
Lambert's law states that the intensity of light decreases with respect to __
Options
A : Concentration
B : Distance
C : Composition
D : Volume
Polarographic cells are not sensitive to which of the following gases?
Options
A : Carbon monoxide
B : Carbon dioxide
C : Nitrous oxide
D : Oxygen
Polarographic cells are used to measure the partial pressure of gases only in static gas monitoring systems and not in continuous streams.
Options
A : TRUE
B : FALSE
C : -
D : -
Polarographic cells used for measuring the partial pressure of oxygen are temperature-sensitive.
Options
A : TRUE
B : FALSE
C : -
D : -
Which of the following is not a limitation of Beer Lambert's law, which gives the relation between absorption, thickness and concentration?
Options
A : Concentration must be lower
B : Radiation must have higher bandwidth
C : Radiation source must be monochromatic
D : Does not consider factors other than thickness and concentration that affect absorbance
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