Polymer Technology Hot drink (e.g, tea) cups are usually made of Polystyrene Polypropylene Polythene PVC Polystyrene Polypropylene Polythene PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Nylon-6 as compared to nylon-66 is None of these Having higher melting point Harder More abrasion resistant None of these Having higher melting point Harder More abrasion resistant ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition polymerisation takes place either by a free radical mechanism or ionic machanism depending on the reagents used. Free radical polymerisation is catelyzed by __________ , which decompose to give free radicals. Sulphuric acid None of these Organic peroxides Hydroflouric acid Sulphuric acid None of these Organic peroxides Hydroflouric acid ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The only natural thermoplastic resin, which is a product of animal life is Shellac Rosin Amber Copal Shellac Rosin Amber Copal ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plasticisers are added to synthetic plastics to Improve workability during fabrication All of these Develop new improved properties not present in the original resin Impart flexibility Improve workability during fabrication All of these Develop new improved properties not present in the original resin Impart flexibility ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Vulcanisation of raw rubber makes it Less elastic Soft Tacky Plastic Less elastic Soft Tacky Plastic ANSWER DOWNLOAD EXAMIANS APP
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