Polymer Technology Styrene which is a monomer for the production of polystyrene, is commercially produced by the Fermentation of starch 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 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers shows the highest anti-tacking properties? Phenolic resin Alkyd resin Epoxy resin Melamine formaldehyde resin Phenolic resin Alkyd resin Epoxy resin Melamine formaldehyde resin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene butadiene rubber is commercially manufactured by Suspension polymerisation Emulsion polymerisation Solution polymerisation Bulk polymerisation Suspension polymerisation Emulsion polymerisation Solution polymerisation Bulk polymerisation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Pickout the wrong statement. 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 Vulcanised rubber is more elastic than natural rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Rexin (also called artificial leather), which is used for making table cover, automobile seat cover, shoes etc. is made by coating thick cloth with molten PVC Teflon SBR Bakelite PVC Teflon SBR Bakelite ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Branched chair polymers as compared to linear polymers have None of these Lower density Higher melting point Higher tensile strength None of these Lower density Higher melting point Higher tensile strength ANSWER DOWNLOAD EXAMIANS APP