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Environmental Chemistry Test - 74

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Environmental Chemistry Test - 74
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  • Question 1
    1 / -0
    The Term Smog was introduced in 1905 by
    Solution

  • Question 2
    1 / -0
    Melanornia (skin cancer) is associated with
    Solution

  • Question 3
    1 / -0
    The pollutant that causes hole in the ozone layer is
    Solution

  • Question 4
    1 / -0
    "Smog" is a mixture of
    Solution

  • Question 5
    1 / -0
    Acid deposition causes
  • Question 6
    1 / -0
    Photochemical smog is called:
    Solution

  • Question 7
    1 / -0
    All are physical pollutants except
    Solution

    Hint: Pollutants are contaminants that get introduced in a natural environment above the permissible limits.


    Part 1- Pollution: 

    The presence or introduction of substances above a permissible limit in the environment is termed as pollution. The substances leading to pollution is termed as pollutants.

    Pollution is of three major types;

    1. Air pollution
    2. Water pollution
    3. Noise pollution

    Part 2- Particle pollution (pollution caused by suspended particulate matter):
    Particulate matter like dust, smoke and soot present in the air are one of the major air pollutants. Soot is formed as a result of combustion of fuel like natural gas and oil.

    Part 3- Physical pollutants:
    Physical entities like heat, sound can cause pollution if present above the permissible limits. They are classified as physical pollutants.

    Part 4- Conclusion:
    Dust, dirt, smoke, soot or small liquid particles present as pollutant in the environment is classified as particulate matter. They are formed as a result of a chemical process of combustion and are not a physical pollutant.

    Final Step: Particulate matter (PM) such as smoke, soot and dust are not physical pollutants.
  • Question 8
    1 / -0
    Acid rain mainly result from
    Solution

  • Question 9
    1 / -0
    In a photochemical smog, which gas is an eye and mucous membrane irritant?
    Solution

  • Question 10
    1 / -0
    Acid rain contains
    Solution

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