Polymer Technology Styrene which is a monomer for the production of polystyrene, is commercially produced by the Catalytic dehydrogenation of ethyl benzene Dehydration of ethyl alcohol followed by hydrogenation Reacting ethylene oxide with acetal-dehyde Fermentation of starch Catalytic dehydrogenation of ethyl benzene Dehydration of ethyl alcohol followed by hydrogenation Reacting ethylene oxide with acetal-dehyde Fermentation of starch ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Bakelite is Same as thermoset phenol formaldehyde Same as polytetra flouro ethylene (PTFE) Not a polymer An inorganic polymer Same as thermoset phenol formaldehyde Same as polytetra flouro ethylene (PTFE) Not a polymer An inorganic polymer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Transistor parts and refrigerator components are normally made of Polyester High density polythene Polyurathane Polystyrene Polyester High density polythene Polyurathane Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Pickout the wrong statement. Vulcanised rubber is more elastic than natural rubber The intermoleculer forces in ther-mosplastic polymers are intermediate to that of elastomers & fibres Polymers made of only one monomer is called homopolymer Polymers made of more than one monomer is called copolymer or mixed polymer Vulcanised rubber is more elastic than natural rubber The intermoleculer forces in ther-mosplastic polymers are intermediate to that of elastomers & fibres Polymers made of only one monomer is called homopolymer Polymers made of more than one monomer is called copolymer or mixed polymer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Diphenylamine is added to rubber to Make it non-inflammable Make it thermosetting Valcanise it Protect it from deterioration on exposure to air Make it non-inflammable Make it thermosetting Valcanise it Protect it from deterioration on exposure to air ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Contact lenses for eyes are made of perspex, which is nothing but Polypropylene Polymethylmethacrylate Unsaturated polyester Polystyrene Polypropylene Polymethylmethacrylate Unsaturated polyester Polystyrene ANSWER DOWNLOAD EXAMIANS APP