Question

Removal of gaseous impurities like methane, ethane, propane and butane from gasoline is called as _______ *

1 point


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Answer 1

Answer:

Natural gas (also called fossil gas; sometimes just gas), is a naturally occurring hydrocarbon gas mixture consisting primarily of methane, but commonly including varying amounts of other higher alkanes, and sometimes a small percentage of carbon dioxide, nitrogen, hydrogen sulfide, or helium.[2] It is formed when layers of decomposing plant and animal matter are exposed to intense heat and pressure under the surface of the Earth over millions of years.[3] The energy that the plants originally obtained from the sun is stored in the form of chemical bonds in the gas.[4] Natural gas is a fossil fuel.