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प्रश्न
Name the following:
The active component of air which supports combustion and is used up in burning
उत्तर
Oxygen
संबंधित प्रश्न
Answer the question put against the following constituents of air :
Water vapours : Explain their role in modifying the earth’s climate.
Suggest five measures to prevent air pollution.
Give a reason why nitrogen is filled in food packets and not oxygen.
State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
The percentage of carbon dioxide in the air is between 0.2 to 0.4%.
Of the total volume of air – 4/5th is nitrogen. State the utility or consequence of this ratio.
Why do we see the sky and air clear and clean after rainfall?
How do plants and animals maintain the balance of oxygen and carbon dioxide in the air?
Give the components present in the air with a percentage?
______ gas is essential for the proper growth of all plants.
Explain the following observations very briefly
An empty glass in fact is not empty.
