McqMate
| Q. |
Which is the highest quality of hard coal? |
| A. | Anthracite |
| B. | Bituminous |
| C. | Lignite |
| D. | Peat |
| Answer» A. Anthracite | |
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Explanation: Anthracite is the highest rank of coal. It is the most metamorphosed type of coal, in which the carbon content is between 92.1% and 98%. Anthracite coal generally has the highest heating value per ton on a mineral- matter-free basis. Anthracite is often referred to as hard coal. |
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