MCQOPTIONS
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MCQOPTIONS
| 1. |
At what temperature is pitch distilled from soft coals? |
| A. | 400°F |
| B. | 500°F |
| C. | 600°F |
| D. | 700°F |
| Answer» D. 700¬¨¬®‚Äö√†√ªF | |