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Air around Us Test - 9

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Air around Us Test - 9
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Weekly Quiz Competition
  • Question 1
    1 / -0
    The component which is not present in air is?
    Solution
    Air does not contain chlorine. It is a mixture of other gases like nitrogen, oxygen, carbon dioxide, helium, hydrogen, argon, etc.
  • Question 2
    1 / -0
    Which is the most abundant gas in the atmosphere?
    Solution
    The air in Earth's atmosphere is made up of approximately 7878% nitrogen and 2121% oxygen. Air also has small amounts of lots of other gases, too, such as carbon dioxide, neon, and hydrogen
    Hence answer is Nitrogen Nitrogen
  • Question 3
    1 / -0
    Identify the gas "odourless, colourless, heavier than air, supports combustion".
    Solution
    Oxygen is a colorless, odorless, and tasteless gas that supports life and combustion and heavier than air.
    hence the correct answer is B
  • Question 4
    1 / -0
     A gas is colourless, odourless, heavier then air and extinguishes fire, name the gas
    Solution

  • Question 5
    1 / -0
    Which one of the following has the major part of air? 
    Solution
    The air contains highest %\% of Nitrogen gas ( 78 %78\ \%). Hence, option AA is correct
  • Question 6
    1 / -0
    Which gas present in atmosphere allows substance to burn?
    Solution
    The gas which allows the substances to burn in the air is oxygen. Oxygen supports burning and is an essential component for burning.
    Hence, option C is correct.
  • Question 7
    1 / -0
    Clothes dry faster when there is ____ water vapour in air.
    Solution
    Less amount of water vapor in the air makes the air dry and less humid. Thus favoring faster drying of clothes.
    Option AA is correct.
  • Question 8
    1 / -0
    Air is a ______.
    Solution

  • Question 9
    1 / -0
    The pie chart shows the different gases that contribute to the total composition of air.
    What atmospheric gas does the area marked as R in the pie chart represent?

    Solution
    The area marked as R shows the atmospheric gas-Nitrogen. Nitrogen is the most abundant gas. It comprises about 78.08%78.08\% of our atmosphere thus comprising the most about of our atmosphere.
  • Question 10
    1 / -0
    The two major gaseous components of air are:
    Solution
    Air is made up of 78.09% of nitrogen, 20.95% of oxygen, 0.93% of argon, 0.04% of carbon dioxide gas, and other gases in trace amounts. Thus nitrogen and oxygen are major gaseous components of air. Hence option A is correct.
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