Question

which form of coal having least carbon content?​

Answer 1

Answer:

Lignite coal Or aka brown coal is the lowest grade coal with the least concentration of carbon.

Explanation:

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Answer 2

Answer:

Lignite is often called “brown coal” because it is lighter in color than the higher ranks of coal. It has the lowest carbon content out of all the coal and it has a high moisture content and crumbly texture. It is mainly used in electricity generation.