Question

Petroleum is called liquid gold. Why?

Answer 1

Petroleum is called ' liquid gold ' because by - products obtained while extracting petroleum are very useful. non of its by products are wasted , each of it has its specialized use.
eg - natural gas

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Answer 2

Aloha !

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✴️Not even a tinest drop of petroleum goes waste or remains unused . Further , it's very valuable , costly and it's price is estimated to increase at a rapid rate in the near future .Hence , petroleum is known as liquid gold.✴️

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