Why petroleum known as black gold

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Why petroleum known as black gold

Posted by Rahil Ajameri 5 years, 3 months ago

CBSE > Class 08 > Science

5 answers

Shristi Singh 5 years, 3 months ago

Because it is so expensive and only found in some parts of country.it can be formed in many hundreds of years.it so precious thing so it is called black gold

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Kartika Nandre 5 years, 3 months ago

It is also expensive like gold. Because of its black colour it is referred has black gold

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Kartika Nandre 5 years, 3 months ago

Because it is exhaustible resources. It needs a very long time to get prepared. We didn't get it easily.

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Yogita Ingle 5 years, 3 months ago

Petroleum is referred to as 'black gold' because when crude oil is extracted from the land it is black in colour. People call it gold because of its oils and value. It is very difficult to find.

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Debashrita Sahoo 5 years, 3 months ago

This is because when crude oil is extracted from the land it is black in color.Crude oil is jet black before purification but after purification, it turns golden in color; therefore, it's tagged as Gold.

2Thank You

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