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  1. How is Coal Formed? - BYJU'S

    How is Coal Formed? Coal is fossil fuel or fuel that comes from the remains of prehistoric plants or animals. The formation of coal occurs over millions of years via a process known as …

  2. What is Coal? - BYJU'S

    What is Coal? Coal is a fossil fuel and is the altered remains of prehistoric vegetation that originally accumulated in swamps and peat bogs. Table of Contents Coal Recommended …

  3. Coal and Petroleum - BYJU'S

    Coal and Petroleum Coal and petroleum are formed as a result of degradation of ancient plant life which lived millions of years ago. These dead plant matter started to pile up, eventually …

  4. How is Coal Formed? Chemistry Q&A - BYJU'S

    How is coal formed? Solution Coal: It is a blackish-brown colored fossil fuel that is used to obtain energy. It is a non-renewable source of energy. Formation of coal: The formation of coal takes …

  5. Introduction to Coal and Petroleum - BYJU'S

    To know more about Formation of Coal, visit here. Types of Coal Types of Coal The four types of coals are as follows. Anthracite Bituminous Sub-bituminous Lignite Destructive Distillation of …

  6. NCERT Solutions Class 8 Science Chapter 5 – Free PDF Download

    Download Important Questions PDF These NCERT Solutions for Class 8 Science Chapter 5 have answers to questions on coal, petroleum and natural gas and other fossil fuels, the formation …

  7. What is Coal Gas? - BYJU'S

    Coal gas, also known as a gaseous mixture, is a fuel made up of hydrogen, methane, and carbon monoxide produced by destructive distillation (continuous heating in the absence of air) of …

  8. NCERT Exemplar Solutions Class 8 Science Chapter 5 – Free

    NCERT Exemplar Solutions for Class 8 Science Chapter 5 Coal and Petroleum are a critical study resource for Class 8 students. This NCERT Exemplar will boost their preparation for Class 8 …

  9. Describe how coal was formed. What is this process called

    Since coal was formed from the remains of the plants, it is called a fossil fuel. Coal, which is mainly carbon, on heating produces mainly carbon dioxide gas and a lot of heat energy.

  10. What is Destructive Distillation? - BYJU'S

    For example, when coal is subjected to destructive distillation, a wide range of commercially important products are formed (such as coke, coal oil, ammonium hydroxide, coal tar, gas …