Class _ 8 _ Science _ Coal and Petroleum

Class _ 8 _ Science _ Coal and Petroleum

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Length seconds: 8m 44s


Did you know?

Coal is the official state mineral of Kentucky.


About: Class _ 8 _ Science _ Coal and Petroleum

It helps me alot
i wanted to know about petroleum but the audio is skiped what the f##k
Sound is not coming
Poor video. Still needs to improve
Keep in Telugu ra
Bad baddest worst
Very nice videos thanks
Sir AAP combustion and flame ka ek chapter kar di jiye
thank you sir
This video is help me ..of G.N.national publik school.. Enteres examination.....🙏👏👌
D.j 😍🤗🤩😘😄🙃😔😌😌💞💝
Please in Hindi video
information is very good yaar nice
helped me a lot
hey why there is no sound from 5 5
I want to ask that why it is used in perfume
In petroleum voice was not coming
I know more about coal and petroleum

Coal stock

Coal is extracted from the ground by coal mining, either underground by shaft mining, or at ground level by open pit mining extraction.


Coal is primarily used as a solid fuel to produce electricity and heat through combustion. World coal consumption was about 7.25 billion tonnes in 2010 The price of coal increased from around $30.00 per short ton in 2000 to around $150.00 per short ton as of September 2008. In early 2015, it was trading near $56/ton.