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Q. |
The calorific value of coal gas is expected to be around |
A. | 500 kcal/m3 |
B. | 1500 kcal/m3 |
C. | 2500 kcal/m3 |
D. | 7500 kcal/m3 |
E. | 5000 kcal/m3 |
Answer» D. 7500 kcal/m3 |
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