why subbtiminous called lowest grade of coal
Answers
Answered by
2
Explanation:
Subbituminous coal is black in color and is mainly dull (not shiny). ... Lignite: Lignite coal, aka brown coal, is the lowest grade coal with the least concentration of carbon. Lignite has a low heating value and a high moisture content and is mainly used in electricity generation.
hope it helps ❤️
please mark me brainliest
Answered by
4
Answer:
There are four major types (or “ranks”) of coal. Rank refers to steps in a slow, natural process called “coalification,” during which buried plant matter changes into an ever denser, drier, more carbon-rich, and harder material. The four ranks are:
Explanation:
1.Anthracite
2.Bituminous
3.Subbituminous
4.Lignite
I hope this helps u
have a nice day.
Similar questions
Physics,
3 months ago
English,
3 months ago
Social Sciences,
3 months ago
English,
4 months ago
Chemistry,
4 months ago