NCERT Exemplar Class 8 Science Chapter 5: Coal and Petroleum
NCERT Exemplar Solutions for Class 8 Science Chapter 5 – Coal and Petroleum explains fossil fuels, their formation, and their importance as natural resources. Students learn about coal, its varieties, and by-products like coke, coal tar, and coal gas. The chapter also discusses petroleum, its refining process, and its various fractions such as petrol, diesel, kerosene, and LPG. Another subtopic in NCERT Solutions for Class 8 Science is natural gas, its safe usage, and its advantages as a clean fuel. The chapter highlights the non-renewable nature of these resources and explains why their conservation is crucial. Students also study the harmful effects of excessive use of fossil fuels, including pollution and global warming.
NCERT Exemplar Solutions for Class 8 Science encourage learners to think about alternative sources of energy like solar, wind, and biogas. The chapter builds awareness of energy conservation and the importance of switching to eco-friendly resources for sustainable development.