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प्रश्न
Air is made up of oxygen only.
पर्याय
True
False
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उत्तर
Air is made up of oxygen only- False.
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संबंधित प्रश्न
Fill in the blank space by choosing the correct word from the given list.
List: oxygen, carbonic, suIphurUioxide gas, precipitation, helium
Dust particles help in the ________ of water vapour in air.
Tick (√) the most appropriate answer.
A gas which dilutes the activity of oxygen in air is:
Inhaled air contains a large amount of carbon-di-oxide.
Whales come up to the water surface to breathe in oxygen.
Which of the following is true about oxygen?
Air contains a small amount of CO2, Water vapour, and some other gases like ______, etc.
How to show the presence of carbon-di-oxide in the air?
______ is responsible for making clouds.
______ is necessary for all acids.
State whether the following statement is true or false. If false, correct them.
Plants produce oxygen during the process of making their own food.
