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प्रश्न
A list of words is given in a box. Use appropriate words to fill up the blank in the following statement.
A weather cock shows the ______ in which the air is moving at that place.
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उत्तर
A weather cock shows the direction in which the air is moving at that place.
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संबंधित प्रश्न
Answer the question put against the following constituents of air :
Carbon dioxide : “Although carbon dioxide plays no role in respiration, all life would come to an end if there is no carbon dioxide in air.” Support this statement with relevant facts.
What is nitrogen-fixation?
Write ‘True’ or ‘False’ in front of following statement.
The trapping of solar heat energy in the earth’s atmosphere is called greenhouse effect.
Classify Carbon dioxide. Also give a balanced equation to prepare it.
Give a reason why nitrogen is filled in food packets and not oxygen.
Which gas is essential for burning?
What was the old name of nitrogen?
______ is used as a substitute for compressed air in tyres.
Oxygen is used to oxidize ______.
Observe the picture given in Fig. carefully and answer the following questions.
Why is he putting a cover on his nose?
