Question

state features of coal​

Answer 1

Answer:

Bituminous coal is dense, compacted, banded, brittle, and displays columnar cleavage and a dark black color. It is more resistant to disintegration in air than are subbituminous and lignitic coals. Its moisture content is low, volatile matter content is variable from high to medium, and its heating value is high.

Answer 2

Explanation:

1.coal is a brownish black sedmentry rock.

2.it is formed by Rock strata called as coal seam.

3.coal is mostly carbon with variable amounts of other element.

4.eg.sulphur,oxygen,and nitrogen