Bituminous coal___________________?
Correct answer: D. Both B. and C.
- A. Ignites less easily than anthracite
- B. Is generally coking
- C. Burns with smoky yellow flame
- D. Both B. and C.
Explanation
Bituminous coal commonly has caking properties and burns with a smoky yellow flame because of its relatively high volatile matter. Anthracite is harder to ignite and burns with a shorter, cleaner flame, so both B and C apply.
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