Polymer Technology Styrene which is a monomer for the production of polystyrene, is commercially produced by the Fermentation of starch 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 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers belong to the class of formaldehyde resin? Melamine resins None of these Teflon Dacron Melamine resins None of these Teflon Dacron ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation of caprolac-tum is carried out in the reactor maintained at a temperature of __________ °C for producing nylon-6. -20 to 25 250-280 50 to 75 100 to 150 -20 to 25 250-280 50 to 75 100 to 150 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is not a polyester fibre. Terylene Polyacrylonitrite Nylon Dacron Terylene Polyacrylonitrite Nylon Dacron ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycaprolactum (Nylon - 6) is produced by the condensation polymerisation of caprolactum at 240-280°C in which the conversion of caprolactum is about __________ percent. 75 90 50 99 75 90 50 99 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The monomer of poly vinyl chloride (PVC) is Ethylene dichloride Chloroethene Ethyl chloride Chloroform Ethylene dichloride Chloroethene Ethyl chloride Chloroform ANSWER DOWNLOAD EXAMIANS APP