Which of the following analyzers are used to measure trace amounts of – McqOptions

MCQOPTIONS

1.	Which of the following analyzers are used to measure trace amounts of nitrogen oxides in the stratosphere?
A.	Chemiluminescence
B.	CO laser method
C.	Laser opto-acoustic spectroscopy
D.	Colorimetry
Answer» D. Colorimetry

Discussion

No Comment Found

Related MCQs

To monitor oxides of nitrogen in stack effluents, the sample containing oxides of nitrogen is passed through a flask containing solution of H<sub>2</sub>O<sub>2</sub> in sulphuric acid. Nitric acid is formed. The nitrate ions then react with phenol-disulphonic acid to produce blue colour.<br>a)True
A pink coloured dye complex is formed when air containing NO2 is passed in an absorbing solution consisting of __________ and diamine dissolved in the acetic acid medium.
Which of the following analyzers are used to measure trace amounts of nitrogen oxides in the stratosphere?
Which of the following detectors are generally used for detection in NO analysis using CO laser?