Polymer Technology Styrene which is a monomer for the production of polystyrene, is commercially produced by the Catalytic dehydrogenation of ethyl benzene Reacting ethylene oxide with acetal-dehyde Dehydration of ethyl alcohol followed by hydrogenation Fermentation of starch Catalytic dehydrogenation of ethyl benzene Reacting ethylene oxide with acetal-dehyde Dehydration of ethyl alcohol followed by hydrogenation Fermentation of starch ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plastic tubes & pipes are generally made by __________ moulding. Transfer Extrusion Compression Injection Transfer Extrusion Compression Injection ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Contact lenses for eyes are made of perspex, which is nothing but Polymethylmethacrylate Polypropylene Unsaturated polyester Polystyrene Polymethylmethacrylate Polypropylene Unsaturated polyester Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Most of the plastics are safe to be used upto a maximum temperature of __________ °C. 350 450 150 100 350 450 150 100 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The physical state in which polymers exist is Partially crystalline state Amorphous glassy state Melts & rubber like state All of these Partially crystalline state Amorphous glassy state Melts & rubber like state All of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymerisation of poly functional monomers produces polymers having Low melting point None of these Good machanical strength Low viscosity Low melting point None of these Good machanical strength Low viscosity ANSWER DOWNLOAD EXAMIANS APP
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