Answered by Science Mate | 6th Feb, 2019, 03:56: PM. Answer (d) petrokum Petroleum is ‘Black gold’. Check the below NCERT MCQ Questions for Class 8 Geography Chapter 3 Mineral and Power Resource with Answers Pdf free download. Which of the following is also known as the ‘black gold’? B. Coal is called black gold because it is black in colour and it is costly too. 16. Question 12. Question 10. Petroleum is also known as (a)coke (b) black gold (c) tar (d) none of these. Converting porous, light and dark coal into shining yellow heavy metal is nothing short of magic or, more precisely, a specific subset of it, alchemy. But that is a problem for science to crack. Black is its color and valuable as gold. This pursuit has consumed the passion, energy and very life of many a bright man. Black Gold is the nick name given to pepper seeds by the east India Company. There are many other things that are referred as black gold . Ans: Yes, it is known as black gold because of its wide number of applications in different fields. The brown variety of coal is (a) lignite (b) peat (c) anthracite (d) none of these. Alchemy is the dark art of converting base materials into gold. so Black gold. like coal , coffee . Especially in the generation of electricity and more over it is also using as a … Thus it's value is compared with that of Gold. just for they fetch pretty bucks and are black in color. Why is petroleum also knbwn as ‘black gold’ ? Basically, coal is black and it is widely used inside our homes. C. Coal. Black gold refers to crude oil. Coal is cheap and plentiful. Hydrogen gas obtained from natural gas is used: (a) for fuelling rockets ... the known reserves of fossil fuels will last for a long period of time We have Provided Mineral and Power Resource Class 8 Geography MCQs Questions with Answers to help students understand the concept very well. Natural gas. MCQ Questions for Class 8 Social Science with Answers were prepared based on the latest exam pattern. D. Petroleum. “Black gold’: (a) coal (b) coke (c) graphite (d) petrokum. Answer: (D) Petroleum. Question 12. It is used in wide range of industrial applications and creates a positive impact on the economic development of the country. Solution: Petroleum has great commercial importance, due to which it is also called the ‘black gold’. More generally, the reductive power of organic matter, which causes gold precipitation in black shales and graphitic schists (Hu et al., 2017) made the coal a chemical trap for the gold liberated from the orogen. Can we make coal and petroleum in the laboratory from dead organisms ? Question 7. The term "coal is a black gold" is just a simple metaphor. Anthracite was also known as lack coal, hard coal, stone coal, dark coal, coffee coal, blind coal, Kilkenny coal, crow coal, and even Blue Coal(tm) Only a certain very dense and hard coal - Anthracite (which in Greek means Coal-like) is referred to black diamond (among some other minerals like Hematite which is Iron Oxide based.) Answer: Due to its great commercial importance, petroleum is known as ‘black gold’. Right now, more than half the electricity generated in America is produced with coal. Many useful substances are obtained from petroleum. The process of conversion of wood into coal is called (a) carbonisation (b) catagenesis (c) carboniferous (d) none of these. Question 11. etc . The time when the British ruled the major part of the world, they formed an organization called east India Company to trade with many eastern countries like India, China, Singapore etc.. and the pepper seeds which considered to be a costly spice got the name as "Black Gold". A. CNG. 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