Cracking (chemistry)
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In petrochemistry, petroleum geology and organic chemistry, cracking is the process whereby complex organic molecules such as kerogens or long-chain hydrocarbons are broken down into simpler molecules
Refinery using the Shukhov cracking process, Baku, Soviet Union, 1934
Petroleum product
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Petroleum products are materials derived from crude oil as it is processed in oil refineries. Unlike petrochemicals, which are a collection of well-defined usually pure organic compounds, petroleum pr
A petrochemical refinery in Grangemouth, Scotland
Sample of crude oil (petroleum)
Cylinders of liquified petroleum gas
Sample of gasoline (petrol)