18 Questions
Which gas causes ozone depletion?
CFCs
What type of air pollutants are oxides of nitrogen classified as?
Secondary air pollutants
Which gas is toxic to humans and causes suffocation?
CO
Which of the following is not an SI unit?
Calorie
What is the Tropospheric process?
Photochemical Smog
Is ozone O3 considered a pollutant?
Yes
What is the molecular weight of hydrogen atom H?
1 g/mol
What gas has a molecular weight of 17 g/mol?
Ammonia
How is the concentration of iron metal in waste water calculated?
ppm = mg/L
How is the concentration of liquid acid in drinking water calculated?
ppm = mg/L
What is the abbreviation for the mixture of benzene, toluene, and xylene?
BTX
What is the abbreviation for non-methane hydrocarbons?
NMHC
What is the correct equation to measure the concentration of the main toxic material produced?
mg/L
Why did the Environmental Impact Assessment of the food industry using Gasoline as a fuel fail?
Significant toxic gases in gaseous emissions
In gaseous treatment methods for a food industry with low NOx, which is the proper first and second stage combination?
Electrostatic Precipitator (ESP) then Wet Scrubber
Which method is commonly used to reduce air pollution in petrochemical factories?
Selective catalytic reduction (SCR)
What is the most likely unit to measure the concentration of furan particulates mixed within gaseous emissions?
$ ext{mg/m}^3$
What is a potential consequence of mixing different gaseous emissions from various production lines in a petrochemical factory?
Higher complexity in treating combined emissions
Test your knowledge on chemistry concepts like molecular weight, moles, and parts per million calculations. Learn about measuring pollution in industrial settings and the importance of preliminary surveys. Explore terms like BTX, ppm, and sampling locations.
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