

MCQOPTIONS
Saved Bookmarks
1. |
Plexiglass (also called Lucite) because of its high optical transparency is used for making lenses. It is chemically_________________? |
A. | Polymethyl methacrylate (PMMA) |
B. | Polytetrafluroethylene (PTFE) |
C. | Polycarbonates |
D. | Phenolic resins |
Answer» B. Polytetrafluroethylene (PTFE) | |