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Environmental Chemistry Test - 5

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Environmental Chemistry Test - 5
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Weekly Quiz Competition
  • Question 1
    1 / -0

    Sewage containing organic waste should not be disposed in water bodies because it causes major water pollution. Fishes in such a polluted water bodies die because of :

    Solution

    Organic waste disposed in water bodies causes the death of fishes because bacteria present in them decompose the organic waste and consume oxygen in it leaving lesser oxygen for fishes and other aquatic animals for respiration.

  • Question 2
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    ________ is a pollutant which may cause acid rain.
  • Question 3
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    Which of the following statements regarding photochemical smog is not correct?
  • Question 4
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    The atmospheric pollutant that can cause an increase in the atmospheric temperature is
  • Question 5
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    The factor responsible for highest CO contamination in air is
  • Question 6
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    Troposphere is a region of the atmosphere which contains :

    Solution

    Troposphere is the lowest layer of the atmosphere where all living beings including humans live. It also has air, much water vapours, clouds and is turbulent in nature.

  • Question 7
    1 / -0
    Soil salinity can be measured by
  • Question 8
    1 / -0

    Stratosphere is a region of the atmosphere which contains :

    Solution

    Stratosphere, which is the second layer of atmosphere, contains ozone layer that absorbs UV-radiation from sun's rays.

  • Question 9
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    The mixture of smoke and fog is known as
  • Question 10
    1 / -0
    The gaseous pollutant capable of forming sulphuric acid is
  • Question 11
    1 / -0
    The pollutant capable of combining with haemoglobin is
  • Question 12
    1 / -0
    In plants, necrotic blotching is caused by
  • Question 13
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    Which of the following conditions show the polluted environment?

    a. pH of rain water = 5.6
    b. Eutrophication
    c. Biochemical oxygen demand = 10 ppm
    d. Amount of carbon dioxide in the atmosphere = 0.03%
  • Question 14
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    The smog is essentially caused by the presence of
  • Question 15
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    Acid rain is : 

    Solution

    The acidic gaseous pollutants like oxides of sulphur and nitrogen react with water and come down to earth in form of acid rain.

  • Question 16
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    Which of the following is not a greenhouse gas?
  • Question 17
    1 / -0
    If a person inhales _________ gaseous pollutant, he suffers from throat irritation, burning of pharynx and oesophagus.
  • Question 18
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    Which gas is released by factories and automobiles that is harmful to life?
  • Question 19
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    What causes greenhouse effect?
  • Question 20
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    Tropospheric pollution is caused by :

    Solution

    Various oxides of sulphur, nitrogen and carbon like SO2, SO3, NO, NO2, CO and CO2 cause tropospheric pollution and inflict harm to living beings.

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