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 Caprolactum, a raw material for the manufacture of nylon-6, is produced from Pyridine Naphthalene Benzene Phenol Pyridine Naphthalene Benzene Phenol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a natural polymer? Nucleic acids e.g. RNA and DNA Polyurethane Polysaccharides Polyisoprene Nucleic acids e.g. RNA and DNA Polyurethane Polysaccharides Polyisoprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ moulding is used for shaping of thermosetting plastics exclusively. Compression Injection Transfer Extrusion Compression Injection Transfer Extrusion ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not an elastomer? Nitrile-butadiene None of these Neoprene Polyisoprene Nitrile-butadiene None of these Neoprene Polyisoprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cation exchange resins (0.3 to 1 mm size) used in water treatment is prepared from __________ resins. Epoxy Melamine formaldehyde Urea formaldehyde Phenol formaldehyde Epoxy Melamine formaldehyde Urea formaldehyde Phenol formaldehyde ANSWER DOWNLOAD EXAMIANS APP
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