Anthracite coal:
1. contains about 80 to 95% carbon.
2. has the highest heating value among all the varieties of coal.
3. contains little volatile material and moisture content.

Which of the above statements is/are correct?
(a) 1 and 2
(b) 2 and 3
(c) 1 and 3
(d) 1, 2 and 3

Question

Anthracite coal:
1. contains about 80 to 95% carbon.
2. has the highest heating value among all the varieties of coal.
3. contains little volatile material and moisture content.

Which of the above statements is/are correct?
(a) 1 and 2
(b) 2 and 3
(c) 1 and 3
(d) 1, 2 and 3

ONLiNE UPSC · Accepted Answer

Anthracite is the best quality of coal and contains about 80 to 95% carbon. It has very little volatile matter and a negligible proportion of moisture in it. It is very hard, compact, black coal having semi-metallic lustre. It ignites slowly and burns with a nice short blue flame. It has the highest heating value and is most prized among all the varieties of coal.

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Coal - Types and Characteristics

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M Question 1	⏱ 0
Anthracite coal: 1. contains about 80 to 95% carbon. 2. has the highest heating value among all the varieties of coal. 3. contains little volatile material and moisture content. Which of the above statements is/are correct? (a) 1 and 2 (b) 2 and 3 (c) 1 and 3 (d) 1, 2 and 3