Question

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Petroleum is so useful and valuable that it is famously called ___________.

• A. Black diamond
• B. White Gold
• C. Black Gold
• D. White diamond

Answer 1

The correct option is C Black Gold

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Petroleum is so useful and valuable that it is famously called ‘Black Gold’. Petroleum refineries are also known as a “nodal industry” or supporting industry for synthetic textiles, fertiliser and numerous chemical industries.