Advertisements
Advertisements
प्रश्न
A fuel when used releases least amount of pollutants in the air.
पर्याय
sulphur dioxide
chlorofluorocarbon
smoke
CNG
Advertisements
उत्तर
CNG
APPEARS IN
संबंधित प्रश्न
Statement given below is incorrect. Write the correct statement :
During thunder and lightning, nitrogen and oxygen combine to form nitrogen dioxide gas.
Tick (√) the most appropriate answer.
A gas which dilutes the activity of oxygen in air is:
What happens when Carbon burns in oxygen ? Also give the balanced chemical equation for the reaction.
What do you observe when Ice cold water is filled in a glass tumbler.
State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
Carbon dioxide, water vapour and energy in the form of heat are evolved during respiration.
Give word equation for the following conversion:
Nitrogen of the air to nitric oxide
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 |
During respiration, carbon-di-oxide is exhaled out of the body through the ______.
______ gas cylinders are used for breathing purpose for a diver going deep into the sea.
