Polymer Technology Styrene which is a monomer for the production of polystyrene, is commercially produced by the 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 Reacting ethylene oxide with acetal-dehyde ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron (or terylene) fibres as compared to nylon fibres have Poorer resistance to alkalis All of these Poorer dyeability Better heat & acid resistant properties Poorer resistance to alkalis All of these Poorer dyeability Better heat & acid resistant properties ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermocole (expanded polystyrene) is not used for Low temperature thermal insulation as in refrigerator and air conditioners High temperature thermal insulation in furnaces Accoustic control and ceiling for building Packing of delicate electronic gadgets Low temperature thermal insulation as in refrigerator and air conditioners High temperature thermal insulation in furnaces Accoustic control and ceiling for building Packing of delicate electronic gadgets ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Acrilan fibres used for making cloth, carpet & blankets, which is a hard, horny & high melting polymeric material is nothing but Saturated polyester Polyamide Alkyd resin Polyacrylonitrile Saturated polyester Polyamide Alkyd resin Polyacrylonitrile ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Mastication of rubber means Improving its curing rate Depression of its freezing point Its softening A treatment to retard its deterioration due to oxidation Improving its curing rate Depression of its freezing point Its softening A treatment to retard its deterioration due to oxidation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Unbreakable crockeries are made from __________ polymers. Polystyrene Polyurathane Melamine Polystyrene Polystyrene Polyurathane Melamine Polystyrene ANSWER DOWNLOAD EXAMIANS APP
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