Properties of one of the mineral coal is given below. Identify the mineral coal: 1) It is a matured form of mineral coal 2) It contains 94 to 98% carbon 3) Its heat energy is about 33 kJ gram−1
Bituminous coal
Lignite
Peat
Anthracite
A
Bituminous coal
B
Anthracite
C
Lignite
D
Peat
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Solution
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Anthracite is the matured form of coal and is considered the best form of coal. It contains 94 to 98% carbon and its heat energy is about 33 kJ per gram.
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