why is petroleum called 'liquid gold'????
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Petroleum is called 'Liquid Gold' since it is liquid and just like gold, it has a high commercial value. It is generally called so in order to imply its significance. It also serves directly or indirectly as a source for various organic products that are useful and essential for humans.
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Answer:
Petroleum is called 'Liquid Gold' since it is liquid and just like gold, it has a high commercial value. It is generally called so in order to imply its significance.
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