Chemical Engineering MCQs

6108 MCQs  (Page 294 of 611)

Contact lenses for eyes are made of Perspex, which is nothing but_______________?
A. Poly-methyl-methacrylate
B. Polystyrene
C. Unsaturated polyester
D. Polypropylene
Ion exchange resins are made of____________________?
A. Lucite
B. Sulphonated bakelite
C. Polystyrene
D. Teflon
Alkyd resin is a/an___________________?
A. Polyamide
B. Polyester
C. Polyolefin
D. Addition polymer
The physical state in which polymers exist is___________________?
A. Melts & rubber like state
B. Amorphous glassy state
C. Partially crystalline state
D. All a., b. and c.