Advertisements
Advertisements
प्रश्न
______ is the active component of air.
Advertisements
उत्तर
Oxygen is the active component of air.
APPEARS IN
संबंधित प्रश्न
State three uses of water vapour in the air.
Give reason:
Aquatic animals and plants are able to survive in the matter.
Write ‘true’ or ‘false for the following;
Carbon dioxide is given out during photosynthesis
State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
The mesosphere in the atmosphere, contains most of the air, fit for respiration
Why is air considered as a mixture?
How do plants and animals maintain the balance of oxygen and carbon dioxide in the air?
Match the following.
| Nitrogen | Respiration in living animals |
| Oxygen | Fertilizer |
| Carbon dioxide | Refrigerator |
| Dry ice | Fire extinguisher |
How will you prove that air supports burning?
______ is necessary for all acids.
Assertion: Carbon dioxide occurs as carbonates in nature.
Reason: Carbon dioxide can exist as a liquid at atmospheric pressure.
