COAL AND PETROLEUM
نص القصة المصورة
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- Chapter 5:COAL AND PETROLEUM.....
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- I am Emma , Hii , how are you Jhon...?
- A very good morning aunt!!! I am fine , how are you? I came here to know about your business!!!!
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- I am fine Jhon ... lets move on with the story of some fossil fuels like coal, petroleum and natural gas...
- Yes aunt, I am very excited to learn this all!!!!
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- Story of Coal : About 300 million years ago , the earth consisted of dense forests in low lying wet lands. Due to natural processes , like flooding these forests got buried under the soil. The temperature rose as they sank deeper and deeper and under high pressure these dead plants got slowly converted into coal...
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- THE STORY STARTS!!!!...
- This process is called "CARBONIZATION" as it mainly contains carbon . It is also called as fossil fuel.... It is done by Mining ...
- This is so interesting to learn aunt!!I have a doubt?. What is meant by fossil fuelaunt?
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- Varieties :*PEAT,*LIGNITE,*BETUMINOUS,*ANTHRACITE. PEAT-LESS CarbonANTHRACITE-HIGH CARBON CONTENT.
- We get some useful products from coal such as coke , coal tar, coal gas.
- COKE -(solid form) is a black substance ,it is a pure form of carbon. Used in manufacture and extraction of metals. COAL TAR- We get more than 200 useful substance from it,(liquid form).COAL GAS-obtained during the processing of coal(gas form).
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- My name is Jhon,and ,Tomorrow I am going to my aunt's petroleum refinery factory..
- Fossil fuels are fuels produced naturally from dead remains of vegetation that got buried in soil and rocks .They produce heat and light on burning....
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لا توجد تنزيلات ولا بطاقة ائتمان ولا حاجة إلى تسجيل الدخول للمحاولة!
