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ENVIRONMENTAL CHEMISTRY MCQs

Total Questions : 20 | Page 2 of 2 pages
Question 11. Minamata disease is caused by
  1.    Arsenic poisoning
  2.    Mercury poisoning
  3.    Cadmium poisoning
  4.    None of the above
 Discuss Question
Answer: Option B. -> Mercury poisoning
Question 12. At room temperature, carbon dioxide is a
  1.    solid
  2.    liquid
  3.    gas
  4.    None of these
 Discuss Question
Answer: Option C. -> gas
Question 13. How much of the Earth's atmosphere is carbon dioxide?
  1.    less than 1%
  2.    6 %
  3.    more than 80%
  4.    Both A & B
 Discuss Question
Answer: Option A. -> less than 1%
Question 14. Methane is a gas that impacts climate change and is called a
  1.    glasshouse gas
  2.    greenhouse gas
  3.    hothouse gas
  4.    Both A & B
 Discuss Question
Answer: Option B. -> greenhouse gas
Question 15. Which of these processes absorbs carbon dioxide from the atmosphere?
  1.    Respiration
  2.    Combustion of fossil fuels
  3.    Photosynthesis
  4.    None of these
 Discuss Question
Answer: Option C. -> Photosynthesis
Question 16. Which of these processes releases carbon dioxide into the air?
  1.    Dissolving in sea water
  2.    Combustion of fossil fuels
  3.    Plants being eaten by animals
  4.    All of above
 Discuss Question
Answer: Option B. -> Combustion of fossil fuels
Question 17. Which of the following is an effect of global warming?
  1.    Flooding of low lying coastal land
  2.    Longer days in the summer
  3.    Longer days in the summer
  4.    All of above
 Discuss Question
Answer: Option A. -> Flooding of low lying coastal land
Question 18. Which gas produced by the combustion of fossil fuels causes acid rain?
  1.    Nitrogen
  2.    Sulfur dioxide
  3.    Ozone
  4.    Both A & B
 Discuss Question
Answer: Option B. -> Sulfur dioxide
Question 19. What is the difference between weather and climate?
  1.    Climate refers to a much longer period of time
  2.    Climate refers to the weather over the entire world
  3.    Climate refers to repeating cycles
  4.    All of above
 Discuss Question
Answer: Option A. -> Climate refers to a much longer period of time
Question 20. What was coal formed from?
  1.    Marine animals
  2.    Plants
  3.    Water
 Discuss Question
Answer: Option B. -> Plants

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