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प्रश्न
Give one use for the following inert gase :
krypton
एक पंक्ति में उत्तर
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उत्तर
Krypton— It is used in photography.
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संबंधित प्रश्न
Why is the atmosphere essential for life?
Give one use for the following inert gase :
helium
State one method by which :
- Oxygen is added to air
- Carbon dioxide is added to air
- Oxygen is removed from the air
- Carbon dioxide is removed from the air
Name the products formed when a candle burns in air.
Describe the major components of air pollution.
Why is air called breath of life? Enumerate functions of air or atmosphere.
Discuss two useful applications of greenhouse effect.
State its role in warming the earth’s environment and in excess resulting in global warming.
State the utility of –
(a) Water vapour
(b) Rare or inert gases present in the air.
Tick the object which gives out water vapour.
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