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Pollution of Ai...

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  • Question 1
    1 / -0

    Oxygen constitutes nearly __ % of the atmosphere.

  • Question 2
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    Nitrogen constitutes nearly __ % of the atmosphere.

  • Question 3
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    When harmful substances such as sewage, toxic chemicals get mixed with water, then:

  • Question 4
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    An ambitious plan to save the river Ganga is called:

  • Question 5
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    Some of the major contaminants of water are:

  • Question 6
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    Boiling kills the germs present in the _____.

  • Question 7
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    Water that is purified and fit for drinking is known as:

  • Question 8
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    The process of removing undesirable chemicals, biological contaminants, suspended solids and gases from contaminated water is known as:

  • Question 9
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    What should be our mantra to reduce water pollution?

  • Question 10
    1 / -0

    Ganga Action Plan was aimed to:

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