how is coal formed ? describe the qualities of the four different types of coal found in india?
Answers
Answer: Coal is formed when dead plant matter decays into peat and is converted into coal by the heat and pressure of deep burial over millions of years.
Explanation: Types of coal found in India :
1. Anthracite: It is the highest grade of coal containing a high percentage of fixed carbon. ...
2. Bituminous: It is a medium grade of coal having high heating capacity. ...
3. Subbituminous: It is black in colour, dull, and has a higher heating value than lignite.
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Answer:
How is coal formed describe the qualities of four different types of coal found in India?
Describe the qualities of four different types of coal found in India. Coal is formed due to the compression of plant and animal material over millions of years. ... (ii) Lignite is a low grade brown coal, soft and with high moisture content. (iii) Bituminous coal is buried deep and subject to high temperature.
What are the four main types of coal found in India?
Anthracite: It is the highest quality hard coal. ...
Anthracite: It is the highest quality hard coal. ...Bituminous: This coal has been buried deep and subjected to increased temperatures. ...
Anthracite: It is the highest quality hard coal. ...Bituminous: This coal has been buried deep and subjected to increased temperatures. ...Lignite: It is a low grade brown coal, which is soft with high moisture content.
Which coal is best quality?
Anthracite
AnthraciteAnthracite. Anthracite, often referred to as hard coal, is a hard, compact variety of coal that has a submetallic luster. It has the highest carbon content, the fewest impurities, and the highest energy density of all types of coal and is the highest ranking of coals.
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