71. What is the process of converting natural gas liquids into separate components, such as propane, butane, and ethane, called?
a) Fractionation
b) Purification
c) Refining
d) Sweetening
72. Which gas is responsible for the formation of oil shale, a sedimentary rock rich in organic matter that can be processed into oil?
a) Oxygen
b) Carbon dioxide
c) Methane
d) Nitrogen
73. What is the term used to describe the process of separating crude oil into different components, such as gasoline, diesel, and jet fuel?
a) Refining
b) Purification
c) Fractionation
d) Sweetening
74. Which country is the largest consumer of petroleum products in Asia?
a) China
b) India
c) Japan
d) South Korea
75. What is the process of converting natural gas liquids into a gaseous state called?
a) Vaporization
b) Liquefaction
c) Gasification
d) Condensation
