Which of the Following is Usually not an Air Pollutant?
Answer: (2) Hydrocarbons
Hydrocarbon is not usually an air pollutant. It is an organic chemical compound. It is made of hydrogen and carbon atoms. It is found in crude oil and natural gas. The simplest molecules of hydrocarbon is methane. Methane have one carbon atom and four carbon atoms. Amino acids are the biggest molecules of the hydrocarbon.
Hydrocarbon mostly used as fuel for combustion , particularly in heating and motor fuel applications. Mostly hydrocarbons are converted from thermal ‘cracking’ and distillation of crude oil.