The percentages of carbon in bituminous and anthracite coal are _______, respectively.

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$78% and 94%$

$20% and 40%$

$90% and 60%$

$60% and 20%$

answer is B.

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Detailed Solution

Electricity is produced using bituminous coal. It is occasionally used in the manufacture of cement and steel. Anthracite coal is used in hand-fired stoves, electricity generation, and other household appliances. The highest-ranked coal is anthracite coal.

78% to 86% of bituminous coal is made up of carbon. Additionally, it has 12% ash content, 17% moisture, and a small quantity of nitrogen. Additionally, bituminous coal includes several volatile substances, such as sulphur and other hydrocarbons. It is often referred to as soft coal and black coal. One of the characteristics of bituminous coal is that it is simple to transport. It has a high heat value. Bituminous coal also has a low moisture content.

Anthracite coal has a carbon content of 94% to 98%. It is the best-rated coal and is often referred to as hard coal. Anthracite coal contains incredibly little ash and smoke. The metallurgical process can employ the best coal available.

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