Why is mineral oil called black gold
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Answered by
37
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.
Riyaz61:
The Mineral oil is called black gold because it has blackish colour and it is costly
Answered by
10
because when mineral oil is extracted it is of black colour so it is black and it is called gold bcoz of its own value......... I mean so precious...... hope it helps u......
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