Science

Coal and petroleum

कोयला और पेट्रोलियम

In this Class 10 Science topic from Sustainable Management of Natural Resources, students learn how coal and petroleum formed from ancient organisms over millions of years and why they are considered exhaustible fossil fuels. They explore products such as coke, coal gas, petrol, diesel, kerosene and lubricants, along with their uses in industry, transport and daily life. The topic also examines air pollution, greenhouse gas emissions and the need for conservation, efficient use and cleaner energy alternatives.