Question

Which material is called black gold? why?​

Answer 1

Black gold is a term applied to oil or petroleum, which is black when it comes out of the ground and is worth a great deal of money. Prior to the mid-19 th century, oil from animal tallow (fat) and whale blubber was used as a lubricant and fuel.

Answer 2

Answer:

(1) Hydrocarbon

(2) Coal

(3) petroleum

(4) Ether.

It is black in colour when crude oil is extracted from the soil. Because of its oil and worth, people call it gold.

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