MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
| 1. |
_ Styrofoam is the commercial name of$? |
| A. | Polyurathene |
| B. | Polystyrene |
| C. | Polyacrylonitrile |
| D. | Polybutadiene |
| Answer» C. Polyacrylonitrile | |