Question

Explain the process of petroleum formation

Answer 1

Dear Student,

Petroleum is a fossil fuel which got formed by the dead remains of the sea animals. The organisms which lived in the sea got buried at the bottom of oceans. Over a period of time, their dead bodies were covered with sediments. Intense pressure and heat under the earth’s layers, These animals slowly got trapped under soil and clay and more deposits were formed with time. Due to depth, the temperature and pressure raised and over the years they got converted into petroleum oil. Since oil is lighter than water, it did not get mixed with water and got raised to the superficial rocks, which did not allow it to pass through them.

Petroleum is a mixture of various useful substances. Thus, it is refined to separate these useful by-products in petroleum refineries by the process of fractional distillations of petroleum.

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