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Petroleum or crude is mixture of hydrocarbons formed by organic activities of dead plants and animals inside the earth (organic theory). Least accepted inorganic theory explains that the carbon deposits during formation of earth would have resulted in petroleum formation.

When distilled,crude oil gives out petrol which is again hydrocarbon mixture..

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What fuel is petrol made from?

Petrol, also known as gasoline, is primarily made from crude oil through a refining process. Crude oil is a fossil fuel found underground and consists of hydrocarbons. The refining process separates these hydrocarbons into different products, with petrol being one of them.


Why does petrol contain benzene?

Benzene is a component of petrol because it is a naturally occurring compound in crude oil, which is the source of petrol. It helps to enhance the octane rating and improve the performance of petrol as a fuel. However, due to its harmful health and environmental effects, efforts are being made to reduce the benzene content in petrol.


Is petrol a heterogeneous or homogeneous?

Petrol is a homogeneous mixture. It is made up of different hydrocarbon compounds that are evenly distributed throughout the mixture, giving it a uniform composition.


How petrol is made from coal?

Petrol is not directly made from coal, but rather through a process called coal liquefaction. In this process, coal is converted into a liquid form by heating it at high temperatures and pressures with hydrogen. The resulting liquid can then be refined to obtain fuels like petrol. However, coal liquefaction is not commonly used due to its high cost and environmental concerns.


When was petrol discovered?

Petrol, also known as gasoline, was discovered in the mid-19th century. The process of distilling crude oil to create petrol was developed in the 1850s by oil industry pioneers such as James Young and Ignacy Łukasiewicz. This marked the beginning of the modern petroleum industry.