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ENVIRONMENTAL CHEMISTRY MCQs

Total Questions : 20 | Page 1 of 2 pages
Question 1. Which are two elements considerable enrichment in soil ?
  1.    C
  2.    N
  3.    He
  4.    Both A & B
 Discuss Question
Answer: Option D. -> Both A & B
Question 2. Which of the following is a fossil fuel?
  1.    Natural gas
  2.    Nuclear
  3.    Hydrogen
 Discuss Question
Answer: Option A. -> Natural gas
Question 3. Gases such as water vapour and carbon dioxide that trap heat near Earth are known as
  1.    Blanket gases
  2.    Greenhouse gases
  3.    Proxy gases
  4.    Warming gases
 Discuss Question
Answer: Option B. -> Greenhouse gases
Question 4. Which of the following is NOT a greenhouse gas?
  1.    CO2
  2.    N2
  3.    CH4
  4.    H2O
 Discuss Question
Answer: Option B. -> N2
Question 5. Which of the following sets of evidence supports global warming?
  1.    CO2 levels rising
  2.    Sea Levels rising
  3.    Glacier mass decreasing
  4.    All of the Above
 Discuss Question
Answer: Option D. -> All of the Above
Question 6. Harmful ultraviolet radiation from the Sun is absorbed by
  1.    Clouds
  2.    Ozone molecules
  3.    Soil
  4.    Water
 Discuss Question
Answer: Option B. -> Ozone molecules
Question 7. Chemical responsible for ozone depletion is
  1.    CO2
  2.    NO2
  3.    peroxyacetyl nitrate (PAN)
  4.    Chlorofluorocarbons (CFCs)
 Discuss Question
Answer: Option D. -> Chlorofluorocarbons (CFCs)
Question 8. Which among the following is NOT a particulate pollutant?
  1.    Smoke
  2.    Smog
  3.    CO
  4.    Dust
 Discuss Question
Answer: Option C. -> CO
Question 9. Photochemical smog is also known as
  1.    Industrial smog
  2.    London smog
  3.    Oxidizing smog
  4.    Reducing smog
 Discuss Question
Answer: Option C. -> Oxidizing smog
Question 10. Which among the following is NOT a constituent of photochemical smog?
  1.    formaldehyde
  2.    acrolein
  3.    peroxyacetyl nitrate (PAN)
  4.    SO2
 Discuss Question
Answer: Option D. -> SO2

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