What is Called as ‘Black Gold

Q. What is called as ‘black gold’? (1) Hydrocarbon (2) Coal (3) petroleum (4) Ether

The correct answer is “3) petroleum” 

Explanation: –

• The substance known as black gold is found in the earth’s crust, however it is not abundant. Because of its tremendous value, it is referred to as gold. It’s a typical fossil fuel.
• The material known as black gold is, as the name implies, black in color.
• As we all know, gold is a noble, barely available, and expensive metal. Due to its price and value, black gold is also referred to as gold.
• Oil and petroleum are referred to as “Black Gold.”
• Petroleum is a yellowish-black liquid that exists naturally beneath the Earth’s surface. It’s usually refined, and it’s used to make a variety of fuels.
• It is made up of naturally occurring hydrocarbons with varying molecular weights, as well as other organic molecules. Each petroleum type has an own molecular composition that determines physical properties like as color, density, and viscosity.
• The term “petroleum” refers to both naturally occurring crude oil and petroleum products that are made from crude oil.

Because of the following factors, petroleum is referred to be “Black Gold.”

• Crude oil is black in color when petroleum is extracted from the earth.
• Due to its tremendous commercial value and valuable characteristics, it is compared to gold.
• It is extremely rare and difficult to locate on the planet.
• Its extraction is also extremely costly.
• The crude oil is black when extracted, but it turns golden after purification, hence the name gold.