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Why petroleum known as black gold

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Why petroleum known as black gold

    • Posted by Rahil Ajameri 5 years ago

    CBSE > Class 08 > Science
    • 5 answers

    Shristi Singh 5 years 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

    0Thank You

    Kartika Nandre 5 years ago

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

    0Thank You

    Kartika Nandre 5 years ago

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

    0Thank You

    Yogita Ingle 5 years 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.

    1Thank You

    Debashrita Sahoo 5 years 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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