Question

Describe the types and qualities of coal.

Answer 1

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Describe the qualities of four differenttypes of coal found in India. Coal is formed due to the compression of plant and animal material over millions of years. (i) Peat has high moisture content and low heating capacity. (ii) Lignite is a low grade brown coal, soft and with high moisture content.

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Answer 2

Answer:

Types and quality of coal are namely:

• Anthracite (86% to 97%)
• Bituminous(45% to 86%)
• Sub-bituminous(35% to 45%)
• Lignite(25% to 35%)

Explanation:

Anthracite is the highest quality of coal with a sheen shine on the outside. Bituminous and sub-bituminous coal are mainly used for steel and electricity generation, another name or bituminous coal is “soft coal”.

Lignite also called “brown coal” has the least carbon content and is used for mainly electricity generation. Peat is the source of all coal as, it is from where the carbon quality of the coal is decided.