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Pollution of Ai...

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  • Question 1
    1 / -0

    Potable water is the water which is

  • Question 2
    1 / -0

    Incomplete combustion of fuel such as petrol and diesel gives:

  • Question 3
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    Which of the following is not a way to conserve water?

  • Question 4
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    The sources of air pollutants are:

  • Question 5
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      Which among the following is a major cause of water pollution?

  • Question 6
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    Water is often treated with chlorine to ________.

  • Question 7
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    Air has________ composition with________ oxygen at high attitudes.

  • Question 8
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    Incomplete combustion of petrol or diesel oil in automobile engines can be best detected by testing the fuel gases for the presence of __________.

  • Question 9
    1 / -0

    Greenhouse effect keeps the earth surface:

  • Question 10
    1 / -0

    Which of the following is one of the major factors that cause water pollution?

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