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Anthracite coal have a conchoidal fracture.

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in Engineering Chemistry II by (789k points)
Anthracite coal have a conchoidal fracture.

(a) True

(b) False

The question was posed to me in exam.

My question is taken from Solid Fuels in division Fuels and Combustion of Engineering Chemistry II

1 Answer

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Best answer
Correct choice is (a) True

The explanation is: Conchoidal fracture represents the way in which a brittle material break with making ripples. Anthracite coal forms a layer due to this fracture. This type of fractures are not formed in other types of coals which include peat, lignite and bituminous coal respectively.

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