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प्रश्न
Which gas in the atmosphere is essential for respiration?
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उत्तर
Oxygen is essential for respiration.
संबंधित प्रश्न
Answer the question put against the following constituents of air:
Nitrogen : Explain its significance for plants and animals.
Fill in the blank space by choosing the correct word from the given list.
List: oxygen, carbonic, suIphurUioxide gas, precipitation, helium
Solution of carbon dioxide in water is called _________ acid.
What do you understand by the term polluted air?
Classify Carbon monoxide. Also give a balanced equation to prepare it.
What happens if the percentage of carbon-dioxide increases in the air?
Explain why mountaineers carry oxygen cylinders with them?
______ is the active component of air.
What is the presence of harmful substance in the air called?
Write a note on nitrogen.
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.
