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Class 8
Chapter 5 Class 8 - Coal And Petroleum

Just like gold, petroleum is also very useful and valuable product

It is used to manufacture a number of products like petrol,diesel,kerosene etc

Many products are also obtained from further processing of petroleum called Petrochemicals (Example Polythene,Plastic Bags,Detergents)

So it is called Black Gold because it has a number of commercial importance

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CA Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 12 years and a teacher from the past 16 years. He teaches Science, Economics, Accounting and English at Teachoo