Coking coals are invariably____________________?
Correct answer: B. Bituminous coals
- A. Lignites
- B. Bituminous coals
- C. Semi-anthracites
- D. Anthracites
Explanation
Coking properties are chiefly associated with bituminous coals, which soften and form a coherent porous coke on heating. Lignite and anthracite generally do not show this typical coking behaviour.
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