Advertisements
Advertisements
प्रश्न
A list of words is given in a box. Use appropriate words to fill up the blank in the following statement.
Mountaineers carry oxygen ______ with them, while climbing high mountains.
Advertisements
उत्तर
Mountaineers carry oxygen cylinders with them while climbing high mountains.
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.
What are the main components of air?
Give reason:
When water is heated, we see bubbles rising up.
Compare respiration and combustion-both involving oxygen of the air.
Why is carbon-dioxide gas used to extinguish fire?
Air is a mixture of many _______.
_______ and ______ are the two gases, which when taken together, make up about 99 percentage of air.
- Nitrogen
- carbon-di-oxide
- Noble gases
- Oxygen
Soda bottle bursts sometimes when it is opened during summer. Why?
How will you prove that air supports burning?
The solid form of CO2 is called dry ice which undergoes condensation.
