Polymer Technology
Plexiglass (also called lucite) because of its high optical transparency is used for making lenses. It is chemically

Polycarbonates
Polymethyl methacrylate (PMMA)
Polytetraflouroethylene(PTFE)
Phenolic resins

ANSWER DOWNLOAD EXAMIANS APP

Polymer Technology
Identify the group in which all the polymers mentioned can be used to make fibres.

Cellulose derivatives, Polyamides, Polyurathane
Butadiene copolymers, Polyamides, Urea aldehyde
Cellulose derivatives, Polyisoprene, Polyethylene
Polypropylene, Poly vinyl chloride, Silicon

ANSWER DOWNLOAD EXAMIANS APP