Polymer Technology Contact lenses for eyes are made of perspex, which is nothing but Polypropylene Polystyrene Polymethylmethacrylate Unsaturated polyester Polypropylene Polystyrene Polymethylmethacrylate Unsaturated polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene which is a monomer for the production of polystyrene, is commercially produced by the Reacting ethylene oxide with acetal-dehyde Dehydration of ethyl alcohol followed by hydrogenation Catalytic dehydrogenation of ethyl benzene Fermentation of starch Reacting ethylene oxide with acetal-dehyde Dehydration of ethyl alcohol followed by hydrogenation Catalytic dehydrogenation of ethyl benzene Fermentation of starch ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron is a Thermosetting material None of these Condensation polymerisation product of hexamethylene diamine and adipic acid Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol Thermosetting material None of these Condensation polymerisation product of hexamethylene diamine and adipic acid Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weight of polymers are in the range of 10⁹-10¹¹ 10 to 10³ 10⁷-10⁹ 10²-10⁷ 10⁹-10¹¹ 10 to 10³ 10⁷-10⁹ 10²-10⁷ ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Size range of polymer molecules varies from __________ metre. 10⁻⁴ to 10⁻⁷ 10⁻¹ to 10⁻² 10⁻⁸ to 10⁻¹⁰ 10⁻² to 10⁻⁵ 10⁻⁴ to 10⁻⁷ 10⁻¹ to 10⁻² 10⁻⁸ to 10⁻¹⁰ 10⁻² to 10⁻⁵ ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a condensation polymer? None of these Polymethylmethacrylate (PMMA) Melamine polymer Bakelite None of these Polymethylmethacrylate (PMMA) Melamine polymer Bakelite ANSWER DOWNLOAD EXAMIANS APP
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