MCQOPTIONS
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MCQOPTIONS
| 1. |
Which_of_the_following_is_used_as_a_catalyst_in_the_formation_of_polyvinyl_butyral?$ |
| A. | Na<sub>2</sub>SO<sub>4</sub> |
| B. | H<sub>2</sub>SO<sub>4</sub> |
| C. | CrO<sub>3</sub> |
| D. | (CH<sub>3</sub>COO)<sub>2</sub>Cd |
| Answer» C. CrO<sub>3</sub> | |