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5 Written questions

5 Matching questions

  1. atmospheric pressure
  2. volatile organic compounds
  3. electrostatic precipitator
  4. peroxyacyl nitrates
  5. industrial smog
  1. a the pressure exerted by the atmosphere on all objects within it
  2. b a type of cleaner that removes unwanted particles and liquid droplets from a flow of gas
  3. c secondary air pollution for which can injure plant tissue, irritate eyes, and aggravate respiratory illnesses in humans
  4. d smog resulting from emissions from industry and other sources of gases produced by the burning of fossil fuels.
  5. e Organic chemicals that evaporate readily and exist as gases in the air

5 Multiple choice questions

  1. caused by sulfuric and nitric acids resulting in lowered pH of surface waters
  2. S + O₂ → SO₂
    2SO₂+ O₂ → 2SO₃
    SO₃+ H₂O → H₂SO₄, natural source: volcanoes, decay of organic matter. man made source: combustion of sulfur containing coal and smelting of sulfide ores. methods of reduction: alkaline scrubbing.
  3. According to the EPA, mobile sources produce nearly half of two major causes of smog—volatile organic compounds (VOCs) and nitrogen oxides (NOx), almost 90% of carbon monoxide, and more than half of hazardous air pollutants.
  4. the lowest atmospheric layer
  5. was generally formed under freshwater conditions

5 True/False questions

  1. baghouse filterAn instillation containing thousands of heat-resistant fiberglass bags to control particulate emissions. A baghouse works as a room size vacuum cleaner


  2. photochemical smoga brownish haze that is a mixture of ozone and other chemicals, formed when pollutants react with each other in the presence of sunlight


  3. indoor air pollutionCompounds that affect breathing that occur indoors. Examples: woodstove smoke, furnace emissions, formaldehyde, radon, household chemicals


  4. carbon dioxide(CO) Sources include incomplete combustion of fossil fuels. Effects: binds to hemoglobin reducing bloods ability to carry O2. Reduction accomplished by catalytic converters, oxygenated fuel, mass transit (reduction).


  5. alveolia form of oxygen that has three oxygen atoms in each molecule instead of two. protects us from dangerous ultraviolet radiation from the sun