Why is petroleum known as 'black gold'? class 8?
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Petroleum is often referred to as black gold because it is extracted from the land, which is black in colour and the value of oil is high.
The expensive crude oil is said gold for its value.
That is why it is known as ‘black gold’.
The expensive crude oil is said gold for its value.
That is why it is known as ‘black gold’.
Answered by
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heya...
your answer is:
Petroleum is called as black gold. Because it is in black colour and it is more expensive like gold.
It may help you...☺☺
your answer is:
Petroleum is called as black gold. Because it is in black colour and it is more expensive like gold.
It may help you...☺☺
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