Self Studies

Air, Water And ...

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  • Question 1
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    The figure given shows the relative composition of the air. What X and Y represent respectively?

  • Question 2
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    Rain water harvesting is

  • Question 3
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    Regarding air, which of the following statement(s) is / are true

    (i) Air has no mass
    (ii) Air is needed for burning
    (iii) Air exerts pressure from all sides and on everything

  • Question 4
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    Which of the following process is component of water cycle?

  • Question 5
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    Air exerts pressure can be shown by which of the following example?

  • Question 6
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    Which of the following picture correctly represents the composition of air? Where P = Nitrogen, Q = Oxygen, R = Inert gas, S = Carbon dioxide

  • Question 7
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    In health care system medicines are injected using syringes or needle. Filling of medicine in syringe is due to

  • Question 8
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    When we flipa glass full of water with a cardboard beneath it, the water doesn't spills out because

  • Question 9
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    When we put a block of wood in fresh water it floats on it. What will happen if the same block is dropped in water from ocean (Saline) water?

  • Question 10
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    Air and water are found on which planet?

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