MCQOPTIONS
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MCQOPTIONS
| 1. |
Which of the following is used as a catalyst in the polymerization of propylene? |
| A. | MoO<sub>2</sub> |
| B. | CrO<sub>3</sub>+Al<sub>2</sub>O<sub>3</sub> |
| C. | Ni+Pt |
| D. | TiCl<sub>4</sub>+Al(C<sub>2</sub>H<sub>5</sub>)<sub>3</sub> |
| Answer» E. | |