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 Density of high density polythene is about __________ gm/c.c. 1.05 0.95 1.18 0.99 1.05 0.95 1.18 0.99 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Contact lenses for eyes are made of perspex, which is nothing but Unsaturated polyester Polymethylmethacrylate Polypropylene Polystyrene Unsaturated polyester Polymethylmethacrylate Polypropylene Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at 3:1 1:3 1:2 2:1 3:1 1:3 1:2 2:1 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Vulcanisation of raw rubber makes it Plastic Tacky Soft Less elastic Plastic Tacky Soft Less elastic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyvinyl alcohol is used as a Non-sticky coating on frying pans Textile fibre Cation/anion exchanger Water soluble adhesive Non-sticky coating on frying pans Textile fibre Cation/anion exchanger Water soluble adhesive ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS