Q8. What is known as Black Gold?
Q9. How is Black Gold formed and where do we find it? Q10. Name the chief producing countries for Black Gold.
Q11. In India where do we find petroleum?
Q12. How are the different products of petroleum made? Name them. Q13. From where did the word petroleum derived its name.
Q14. Where do we find Natural Gas? For what purposes can it be used? Q15. What is CNG? Give two advantages of CNG?
Q16. Name the areas where do we find Natural gas in India.
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Black gold is a term applied to oil or petroleum, which is black when it comes out of the ground and is worth a great deal of money. Prior to the mid-19 th century, oil from animal tallow (fat) and whale blubber was used as a lubricant and fuel.
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Petroleum is called the black gold as it is black in colour when extracted. The dead remains of plants and animals or fossils which was buried in the ages past is changed to coal due to high temperature and pressure. It is also called fossil fuel. This is extracted as crude oil
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