Advertisements
Advertisements
प्रश्न
Name three noble gases present in the air. State their one industrial use
Advertisements
उत्तर
Three noble gases present in the air are :
- Helium : It is used for filling weather observation balloons.
- Argon : It is used for filling electric bulbs at low pressure.
- Neon : It is used for making advertising glow tubes, used on big shops, hotels etc. at night.
APPEARS IN
संबंधित प्रश्न
Complete and balance the following chemical equation.
CaO + H2O → ____________
Tick (√) the most appropriate answer.
The presence of water vapour in air is essential for :
Classify Calcium oxide. Also give a balanced equation to prepare it.
Write fully balanced equation for the following :
CO2 + H2O →
Name the following:
The component of air which does not support combustion.
How will you prove that air supports burning?
Explain carbon dioxide and its uses.
______ gas cylinders are used for breathing purpose for a diver going deep into the sea.
State whether the following statement is true or false. If false, correct them.
Plants consume oxygen for respiration.
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.
