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प्रश्न
State whether the following statement is true or false. If false, correct them.
Air helps in the movements of sailing yachts and gliders but plays no role in the flight of birds and aeroplanes.
विकल्प
True
False
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उत्तर
False
Explanation:
Air helps in the movement of sailing yachts and gliders and also helps in the flight of birds and aeroplanes.
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संबंधित प्रश्न
Tick (√) the most appropriate answer.
A gas which dilutes the activity of oxygen in air is:
Tick (√) the most appropriate answer.
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Give reason:
A burning candle stops burning if covered with a glass tumbler
Name the following:
An inert gas which has a low boiling point and is used for producing very low temperatures
Name the following:
The component of air which does not support combustion.
Of the total volume of air – 4/5th is nitrogen. State the utility or consequence of this ratio.
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List out the uses of nitrogen.
Soda bottle bursts sometimes when it is opened during summer. Why?
Air also contains a small amount of carbon-di-oxide, water vapour, and some other gases like argon,
