Transcription of COAL AND PETROLEUM W - NCERT
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COAL AND PETROLEUM W - NCERT
COAL AND PETROLEUMCOAL AND PETROLEUMCan air, water and soil be exhaustedby human activities? You have alreadystudied about water in Class VII. Is watera limitless resource?In the light of the availability ofvarious resources in nature, naturalresources can be broadly classifiedinto two kinds:(i) Inexhaustible Natural Resources:These resources are present in unlimitedquantity in nature and are not likely tobe exhausted by human are: sunlight, air.(ii) Exhaustible Natural Resources: Theamount of these resources in nature islimited. They can be exhausted byhuman activities. Examples of theseresources are forests, wildlife, minerals,coal, PETROLEUM , natural gas (It is a group activity)Take some containers. Fill themwith popcorn/peanuts/roastedgram/toffees. Divide students intogroups of seven each. Further divideeach group into three subgroupscontaining 1, 2 and 4 them as first, secondand third generation use various materials for ourbasic needs.
power generation. It is now being used Table 5.1 Various Constituents of Petroleum and their Uses S.No. Constituents of Petroleum Uses 1. Petroleum Gas in Liquid formFuel for home and industry (LPG) 2. Petrol Motor fuel, aviation fuel, solvent for dry cleaning 3. Kerosene Fuel for stoves, lamps and for jet aircrafts 4.
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