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Pollution of Ai...

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  • Question 1
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    Air is a mixture of various gases. One of the gases is 21% part of the air and is essential for the survival of human beings. This gas is

  • Question 2
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    Which of the following is not a source of air pollution?

  • Question 3
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    Boojho wishes to contribute in reducing air pollution. Which vehicle should he use for going to school?

  • Question 4
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    Which of the following is not a way to conserve water?

  • Question 5
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    The type of pollution which is likely to affect Taj Mahal in Agra to a greater extent is

  • Question 6
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    Incomplete combustion of fuel such as petrol and diesel gives

  • Question 7
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    The phenomenon of marble cancer is due to

  • Question 8
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    Potable water is the water which is

  • Question 9
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    Which of the following procedures will give you water free from all impurities?

  • Question 10
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    A pond contains clean water. Which of the following activities will produce least pollution of water?

  • Question 11
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    Trees help in reducing the pollution of our environment. Lakhs of trees are planted by people in the month of July every year. The occasion is called

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