Low temperature oxidation of coal resulting from bad storage conditions does not decrease its______________________?
Correct answer: D. Oxygen content
- A. Caking power
- B. Calorific value
- C. Hydrogen content
- D. Oxygen content
Explanation
Low-temperature oxidation consumes combustible constituents and lowers caking power, hydrogen content and calorific value. Since oxidation adds oxygen-containing groups, the oxygen content does not decrease.
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