Question

Name four types of coal. Which type has the a) highest and b) lowest content of carbon​

Answer 1

Answer:

Coal is classified into four main types, or ranks: anthracite, bituminous, subbituminous, and lignite. The ranking depends on the types and amounts of carbon the coal contains and on the amount of heat energy the coal can produce.

Thermal coal is mostly used for power generation, cement manufacturing and other industrial purposes, while metallurgical coal is used primarily for manufacturing iron and steel. Anthracite is the most mature coal and thus has the highest carbon content of any type of coal.

Answer 2

Answer:

Coal is classified into four main types, or ranks: anthracite, bituminous, subbituminous, and lignite. The ranking depends on the types and amounts of carbon the coal contains and on the amount of heat energy the coal can produce.

highest - The four ranks are: Anthracite: The highest rank of coal.

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

Explanation:

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