Question
The highest grade and best quality coal is
Answer: Option C
Answer: (c)
Anthracite is usually considered to be the highest grade of coal and is actually considered to be metamorphic.
Compared to other coals it is much harder, has a glassy lustre, and is denser and blacker with few impurities. It is largely used for heating domestically as it burns with little smoke.
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Answer: (c)
Anthracite is usually considered to be the highest grade of coal and is actually considered to be metamorphic.
Compared to other coals it is much harder, has a glassy lustre, and is denser and blacker with few impurities. It is largely used for heating domestically as it burns with little smoke.
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