Olefins and Aromatics
Explanation:
Olefins are unsaturated hydrocarbons containing double bond between two carbon atoms. Chemical plants produce olefins by steam cracking of natural gas liquids like ethane and propane. Examples are butylene and propylene.
Aromatics are hydrocarbons, organic compounds that consist exclusively of the element carbon and hydrogen - without which life would not be possible on earth. Examples are benzene, toulene,and xylene
