The alternative name of glyptal is:
Which of the following are addition polymers?
(a) Nylon
(b) Melamine formaldehyde resin
(c) Orlon
(d) Polystyrene
Which of the following polymers are condensation polymers?
(a) Bakelite
(b) Teflon
(c) Buty rubber
(d) Melamine formaldehyde resin