Question

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${}^{-1}$

• A. Bituminous coal
• B. Lignite
• C. Peat
• D. Anthracite

Answer 1

The correct option is D Anthracite

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.