Advertisements
Advertisements
प्रश्न
Fill in the blank space by choosing the correct word from the given list.
List: oxygen, carbonic, suIphurUioxide gas, precipitation, helium
_______ gas is used for filling weather observation balloons.
Advertisements
उत्तर
Helium gas is used for filling weather observation balloons.
APPEARS IN
संबंधित प्रश्न
Answer the question put against the following constituents of air :
Carbon dioxide : “Although carbon dioxide plays no role in respiration, all life would come to an end if there is no carbon dioxide in air.” Support this statement with relevant facts.
Briefly state the importance of Water vapour.
Give reason:
Mountaineers and divers carry oxygen cylinders with them.
With the help of a labeled diagram, describe a simple experiment to show the presence of oxygen and nitrogen in air using a piece of white phosphorus.
Why is carbon-dioxide gas used to extinguish fire?
______ is the active component of air.
Match the following.
| Nitrogen | Respiration in living animals |
| Oxygen | Fertilizer |
| Carbon dioxide | Refrigerator |
| Dry ice | Fire extinguisher |
Soda bottle bursts sometimes when it is opened during summer. Why?
All living things use oxygen for breathing.
When air is moving with cool and soothing, it is called a cyclone.
