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explain the process of coal in short answer

In time, material that had been plants became coal. Coals are classified into three main ranks, or types: lignite, bituminous coal, and anthracite. These classifications are based on the amount of carbon, oxygen, and hydrogen present in the coal. Coal is defined as a readily combustible rock containing more than 50% by weight of carbon.

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    How is Coal Formed Chemistry Q amp A

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  • explain the process of coal in short answer

    explain the process of coal in short answer

    explain the process of coal in short answer. Coal is a solid black readily combustible fossil fuel that contains a large amount of carbonbased material approximately 50 of its weight The formation of coal takes a significant amount of time on the order of a few million years and the first coalbearing rock units appeared about 290360 million years ago at a time known as the Carboniferous or coal

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    Sep 14, 2018 3. Describe how coal is formed from dead vegetation. What is this process called? Soln: Dense forests got buried under the soil due to natural processes, millions of years ago. More and more soil got deposited over them and they got compressed more. This led them to get exposed to very high temperature and pressure.

  • NCERT Solutions for Class 8 Science Chapter 5 Coal and

    NCERT Solutions for Class 8 Science Chapter 5 Coal and

    Apr 25, 2020 The absence of air, high pressure and high temperature for over millions of years transformed the dead organisms into petroleum and natural gas. The petroleum deposits are usually found mixed with salt water. The petroleum is lighter than salt water, and hence, floats over it. Describe how coal is formed from dead vegetation.

  • Class 8 Geography Chapter 3 Extra Questions and Answers

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    Aug 02, 2021 Coal is the most abundantly found fossil fuel. It is used as a domestic fuel, in industries such as iron and steel, steam engines and to generate electricity. Electricity from coal is called Thermal Power. The coal which we are using today was formed millions of years ago when giant ferns and swamps got buried under the layer of earth.

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