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प्रश्न
A fuel when used releases least amount of pollutants in the air.
पर्याय
sulphur dioxide
chlorofluorocarbon
smoke
CNG
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उत्तर
CNG
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संबंधित प्रश्न
What is nitrogen-fixation?
State three uses of water vapour in the air.
Write ‘True’ or ‘False’ in front of following statement.
The area where a lot of fuel burns has more percentage of carbon dioxide.
Tick (√) the most appropriate answer.
Symbiotic bacteria is not present in the nodules of :
Name three different appliances where air is utilized.
What are the components of air?
_______ and ______ are the two gases, which when taken together, make up about 99 percentage of air.
- Nitrogen
- carbon-di-oxide
- Noble gases
- Oxygen
_______ can be seen moving in a beam of sunlight in a dark room.
Carbon dioxide with water changes
Nitrogen is an essential element present in proteins and nucleic acids which are the building blocks of living things.
