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)


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