Polymer Technology __________ is produced by polymerisation of chloroprene. Butyl rubber Polyurathane rubber Thiokol (a polysulphide rubber) Neoprene Butyl rubber Polyurathane rubber Thiokol (a polysulphide rubber) Neoprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ resins are produced by the condensation polymerisation of formaldehyde with urea or melamine. Amino Phenolic Alkyd Epoxy Amino Phenolic Alkyd Epoxy ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Vulcanisation of raw rubber makes it Soft Less elastic Tacky Plastic Soft Less elastic Tacky Plastic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology A chain growth polymerisation reaction consists of three different types of reaction namely initiation reaction, propagation reaction & termination reaction. Chain growth polymerisation reaction is not involved in the manufacture of Siloxane elastomers Vinyl polymers Urea-formaldehyde resins Polyamides Siloxane elastomers Vinyl polymers Urea-formaldehyde resins Polyamides ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is a copolymer? Bakelite Polythene Teflon PVC Bakelite Polythene Teflon PVC ANSWER DOWNLOAD EXAMIANS APP
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
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