Environmental Chemistry Test The Atmosphere CHEM-415 1. Which of the following d
ID: 116461 • Letter: E
Question
Environmental Chemistry Test The Atmosphere CHEM-415 1. Which of the following does not contribute to the acidity of rain? LG.5.1.4) a) NO2 b) NO l of the above contribute 2. The atmospheric process in the following equation: NH, + HNO, NH,NO [LG.5.2.2) is responsible for a) the oxidation of ammonia into nitrate b) the emission of nitrogen species into the atmosphere c) the removal of nitric acid from the atmosphere d) the reduction of nitric acid into ammonia e) none of the above 3. Which of the following sulfur species is not oxidized to sulfur oxide? LG.5.3.11 a) H2S b) CS2 c) COS d) SH e) all of the above 4. Which of the following is not a primary aerosol? [LG·6.03] pollen b) smoke particles from combustion cJwind-lifted clay particles mist in fog sulfate aerosol% 5. Which of the following processes is not associated at all in the formation of ammonium sulfate LG.6.1.5 aerosols? a) oxidation of reduced sulfur compounds b) decaying biomass v c) oxidation of ammonia in agricultural fertilizers d) hydrolysis of urea in animal urine e) all of the above are associated 6· The following devices are used for the removal of particulate from exhaust gases is industrial LG.6.3.4] processes i) Cyclone; i) Electrostatic precipitator, il) Scrubber, iv) Settling chamber The one that is most efficient separating the smallest particle sizes is: a) i d) ivExplanation / Answer
1) c - NH3 reduces the acidity of acid rain
2) a - Considering the oxidation states
3) d - All the others reacts with oxygen to give SO2.
4) e - It is a secondary aerosol
5) b
6) b
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