Polymer Technology Polymerisation process in which two or more monomers of chemically different nature take part is called None of these Copolymerisation Chain polymerisation Addition polymerisation None of these Copolymerisation Chain polymerisation Addition polymerisation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In case of dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament form. Dry spinning is used for __________ fibres. Polythene Rayon Polyvinyl acetate PVC Polythene Rayon Polyvinyl acetate PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding Nitro cellulose None of these Camphor Glycerol Nitro cellulose None of these Camphor Glycerol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The monomer of poly vinyl chloride (PVC) is Chloroethene Ethyl chloride Ethylene dichloride Chloroform Chloroethene Ethyl chloride Ethylene dichloride Chloroform ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Identify the group in which all the polymers mentioned can be used to make fibres. Butadiene copolymers, Polyamides, Urea aldehyde Cellulose derivatives, Polyamides, Polyurathane Cellulose derivatives, Polyisoprene, Polyethylene Polypropylene, Poly vinyl chloride, Silicon Butadiene copolymers, Polyamides, Urea aldehyde Cellulose derivatives, Polyamides, Polyurathane Cellulose derivatives, Polyisoprene, Polyethylene Polypropylene, Poly vinyl chloride, Silicon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is a copolymer? Polythene Teflon PVC Bakelite Polythene Teflon PVC Bakelite ANSWER DOWNLOAD EXAMIANS APP
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