Question

why is petroleum called black gold?​

Answer 1

Answer:

because it's colour is black and it's value is like gold

pls mark it as brainliest

Answer 2

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.

Explanation:

Crude oil comes out of the ground as black, so it is called as black gold. Actually, any business which provides a lot of money is known as Goldmines. As both Coal & Petroleum handles lot of money so they called as Black Gold. Crude oil comes out of the ground as black, so it is called as black gold