MCQOPTIONS
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| 1. |
Starting raw material for the manufacture of maleic anhydride is |
| A. | <i>n</i> |
| B. | -butene |
| C. | benzene |
| D. | either (a) or (b) |
| E. | neither (a) nor (b) |
| Answer» D. either (a) or (b) | |