__________ polymer is used for making unbreakable crockery. Addition Thermoplastic None of these Melamine TRUE ANSWER : ? YOUR ANSWER : ?
Properties of a polymer is affected by the All of these Intermolecular forces Chain length Branching & cross-linking TRUE ANSWER : ? YOUR ANSWER : ?
Trade name of __________ is neoprene. Polyisoprene Polytetraflouroethylene Poly vinyl acetate Polychloroprene TRUE ANSWER : ? YOUR ANSWER : ?
Polymethyl methacrylate (PMMA) which is also known as perspex and is produced by bulk polymerisation of methyl methacrylate is not a __________ polymer. Glass like transparent Thermoplastic Linear Thermosetting TRUE ANSWER : ? YOUR ANSWER : ?
__________ polythene is most prone to stress-cracking Low density Linear low density Cross-linked High density TRUE ANSWER : ? YOUR ANSWER : ?
Automobile steering wheels are normally made of High density polythene PVC Cellulose acetate Cellulose nitrate TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is a natural polyamide fibre. Wool Cotton None of these Silk TRUE ANSWER : ? YOUR ANSWER : ?
In a cross linked polymer, the monomeric units are linked together to constitute a three dimensional network. Which of the following is a cross-linked polymer? Polythene Nylon-6 Bakelite (phenol formaldehyde) Polyester TRUE ANSWER : ? YOUR ANSWER : ?