Oct 12, 2017 coal, petroleum, and natural gas were formed from the dead remains of living organisms. The revision notes covers all important formulas and concepts given in the chapter. These kinds of resources are known as fossil fuels. Cbse class 8 science coal and petroleum ncert study notes. All in one science has been the favorite book for teachers as well as the students of class 8.
Class viii ncert science text book chapter 5 coal and petroleum is given below. Cbse ncert class 8 science chapter 5 coal and petroleum explanation and question answers. It is used coal gas was used for street lighting for the first time in london in 1810 and in new york around 1820. These days, bitumen, a petroleum product, is used in place of coaltar for metalling the roads. Though with the passage of time, their use is diminishing due to a movement towards conventional sources of energy. Jun 25, 2018 ncert solutions for class 8 science coal and petroleum.
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