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प्रश्न
Why is petroleum often referred to as “liquid gold”?
Give a geographical reason for the following:
Petroleum is called 'liquid gold'.
कारण बताइए
लघु उत्तरीय
उत्तर
Petroleum is called 'liquid gold' because there is not even a tiniest part of crude petroleum which goes to waste or remains unused.
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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 12: Conventional Sources of Energy - EXERCISES [पृष्ठ १४३]
