Question

Why petroleum is called black gold?

Answer 1

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Petroleum is also known as Black Gold because when crude oil is extracted from the land it is black in color. People call it gold because of its oils and value. It is very difficult to find.

Answer 2

HEY MATE


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Petroleum is called as black gold because when it is extracted from the crust of earth together the petrol cruise oil comes it's colours is black and it is very expensive do it is know as black gold



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