Why petroleum is called black gold?

Because oil is very expensive, useful, and valuable in our world. And the color of oil is black so "Black gold"....

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HI Mohit Your answer for the query is

 Crude oil is black when it comes out of the ground. When someone found oil, they had struck it rich, so they began calling it black gold.

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Crude oil is black in color when it comes out of the ground and, because oil is very expensive, useful, and valuable in our world, it is called as "black gold".

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Nowadays , petroleum is the major source of energy in the  world . This thick black liquid is found between the layers of rocks. It is the most valuable fossil fuel. it is used for running all machinaries, transport vehicles from a bicycle to aeroplane due to its immense value , it is referred to as " black gold".

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Petroleum is also called black gold because it is very expensive and of obviously black colour.

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petroleum is known as the black glod because it is very expensive n of black color

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 hmm ..good  question...petroleum  is  known as  black  gold  because  it  is very  important  to mankind  (for trasportation) and  for other  purposes

ok.......?

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Petroleum is called Black Gold because:

  • it is commercially imporatant
  • its crude form is black in colour
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petroleum is called the black gold because petroleum and its derivaties are valueable

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