Question

why is petroleum called black gold ?​

Answer 1

Answer:

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

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The rise of cost of petroleum, deriving from fossil fuels has increased over the years. With the increase in demand of petroleum, the prices are also increasing at a high rate. And as, petrol is black in colour and has high cost, it is also called black gold.

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