Which of the following plastics have cross-linked monomer units?
Which of the following plastics do not have cross-links between their polymer chains?
A. Nylon B. Melamine C. Terylene D. Bakelite
(a) A and B (b) B and C (c) A and C (d) C and D
Which of the following polymers have vinylic monomer units?
(a) Acrilan
(b) Polystyrene
(c) Nylon
(d) Teflon
is a polymer having monomer units ............