Why the petroleum referred to as black gold?
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Petroleum is referred to as 'black gold' because when crude oil is extracted from the land it is black in colour. People call it gold because of its oils and value. It is very difficult to find.
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Petroleum is referred to as Black Gold. It is mainly used in the manufacture of various products such as pharmaceuticals, plastics, gasoline, synthetic fabrics, etc so it is called black gold. Petroleum is a naturally occurring element that is in a liquid state. It is either yellow or black in colour.......
Petroleum is usually found in geological formations underneath the earth’s crust. When the petroleum is drilled from the ground in the liquid form, it is referred to as crude oil. This name black gold itself is an indication that it is very vital to humans. Because of its oil and worth, people refer to it gold. Nowadays petroleum is very hard to find......
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