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प्रश्न
Take a squeezable bottle. Make a hole on the lid and close the bottle tightly. Bring the bottle near your face and press the bottle. What do you feel?
उत्तर
Air will come rushing out of the bottle.
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संबंधित प्रश्न
Give two uses of the following component present in air:
carbon dioxide
How is air useful to water boats?
How is air useful to windmills?
Name two air pollutants which cause global warming.
Write ‘true’ or ‘false for the following;
Air is a compound.
Tick (√) the correct alternative from the choice given for the following statement.
Air consists of
Tick (√) the correct alternative from the choice given for the following statement.
Fuels which do not leave any residue on burning are
State what do you understand by the term ‘air’. Explain its importance to mankind.
Fill in the blank:
Rusting is a chemical reaction which involves _____ oxidation.
Air has no ______ & ______.
