Coal is a hard black coloured substance which is mainly carbon

coal.jpg

What are the uses of Coal?

Different uses of Coal are

  • It is used in villages to cook food
  • It is used in Thermal power plants to produce electricity
  • It was used in steam engines of train. It produced steam which ran the steam engines



How is coal formed?

Coal was formed by decomposition of dead plants and trees (dead vegetation) into carbon.

This process of conversion of dead plants and trees into Carbon is called Carbonization

 

Steps of Coal Formation

Millions of years ago, there were dense forests on earth in low lying areas

Due to floods, earthquakes, volcanoes, etc., the forest got buried in soil

As more and more soil deposited over them, they sank deeper
Due to high temperature and pressure inside the earth, and the due to no air inside the earth,
the dead plants and trees got slowly converted into coal.

Coal formation - Teachoo.jpg

Questions

NCERT Question 3 - Describe how coal is formed from dead vegetation. What is this process called?

View Answer

  1. Class 8
  2. Chapter 5 Class 8 - Coal And Petroleum

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CA Maninder Singh
CA Maninder Singh is a Chartered Accountant for the past 9 years and a teacher from the past 16 years. He teaches Spoken English, Written English, Grammar and Vocabulary at Englishtan.