Why CNG is a cleaner fuel ? Write down 2 points to explain.
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CNG is called a fuel becuase
1.it emits significantly less pollutants such as carbon dioxide,nitrogen oxides,sulphur oxides and particulate matter in comparison petrol and diesel.
2.it does not lead to the formation of unwanted residue after combustion.
1.it emits significantly less pollutants such as carbon dioxide,nitrogen oxides,sulphur oxides and particulate matter in comparison petrol and diesel.
2.it does not lead to the formation of unwanted residue after combustion.
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Answer:
CNG - Compressed Natural gas
Compressed natural gas is a fuel gas made of natural gas, which is mainly composed of methane, compressed to less than 1% of the volume it occupies at standard atmospheric pressure.
It is stored and distributed in hard containers at a pressure of 20–25 MPa, usually in cylindrical or spherical shapes.
CFCs - Chlorofluorocarbons
Chlorofluorocarbons (CFCs) are nontoxic, nonflammable chemicals containing atoms of carbon, chlorine, and fluorine.
They are used in the manufacture of aerosol sprays, blowing agents for foams and packing materials, as solvents, and as refrigerants.
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