MCQOPTIONS
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| 1. |
_The terminology 'BTX' used in coal tar distillation industry refers to$? |
| A. | Benzol-toluol-xylol |
| B. | Benzol-toluene-xylene |
| C. | Benzene-toluol-xylol |
| D. | Benzene-toluene-xylene |
| Answer» E. | |