why petroleum is also called black gold?
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Answered by
3
because of its commercial importance
adithyabalaji609:
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Answered by
6
petroleum is obtained from underground as gold
petroleum is very useful fuel
which has some the similarities as of gold
due to the difference in colour it is called as black gold
petroleum is very useful fuel
which has some the similarities as of gold
due to the difference in colour it is called as black gold
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