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Environmental Chemistry Test - 8

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Environmental Chemistry Test - 8
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Weekly Quiz Competition
  • Question 1
    1 / -0

    Rotting garbage dumps and by fossil fuels or when vegetation is burnt, paddy fields, coal mines, large amounts of one of the following gases are released:

    Solution

    All these releases methane.

  • Question 2
    1 / -0

    Avoiding burning of dry leaves and wood will help in reducing:

    Solution

    Avoiding burning of dry leaves and wood will help in reducing global warming because there will be a reduction in emission of greenhouse gases in excess.

  • Question 3
    1 / -0

    Which of the following is a macronutrient?

    Solution

    Macronutrients are-  C, H, O, N, P, Mg, S, K, Ca.

  • Question 4
    1 / -0

    Increase in the global temperature increases the incidence of:

    Solution

    Increase in the global temperature increases the incidence of dengue because of raised optimum temperature conditions for its vector or carrier.

  • Question 5
    1 / -0

    The formation of acid rain can be reduced:

    Solution

    The formation of acid rain can be reduced by reducing the emission of sulphur dioxide and nitrogen dioxide in the atmosphere which react with water to form respective acids.

  • Question 6
    1 / -0

    Catalytic converters must be used in cars to reduce the effect of exhaust fumes on the atmosphere. The converter should contain one of the following main components:

    Solution

    The converter should contain ceramic honeycomb coated with precious metals which converts the highly toxic emissions to less toxic ones.

  • Question 7
    1 / -0

    Requirement of macronutrient per acre of the land is :

    Solution

    Requirement of macronutrient per acre of the land is 5 to 200 kg

  • Question 8
    1 / -0

    Three elements needed for the healthy growth of plants are:

    Solution

    Nitrogen , phosphorus, and potassium are macronutrients and needed in comparatively larger concentration.

  • Question 9
    1 / -0

    Which of the following is not a secondary pollutant:

    Solution

    CO2 is a primary pollutant.

  • Question 10
    1 / -0

    Residence time of methane in the atmosphere is:

    Solution

    Residence time of methane in the atmosphere is approximately 8 years.

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