Polymer Technology Which of the following additives are added to plastics to make it impervious to X-rays? Barium salt Phthalic acid Asbestos Carborundum Barium salt Phthalic acid Asbestos Carborundum ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is a copolymer? Teflon Polythene PVC Bakelite Teflon Polythene PVC Bakelite ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Neoprene which is used for making shoe heels & belts is superior to natural rubber in its stability to aerial oxidation and resistance to oils & other solvents. The monomer used for making neoprene is None of these Isoprene Chloroethane Chlorophrene None of these Isoprene Chloroethane Chlorophrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers does not belong to the class of polyacrylate polymer? Polyacrylonitrile Polyethyl acrylate PMMA None of these Polyacrylonitrile Polyethyl acrylate PMMA None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800? 49200 51600 50000 50800 49200 51600 50000 50800 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is produced by polymerisation of chloroprene. Thiokol (a polysulphide rubber) Butyl rubber Polyurathane rubber Neoprene Thiokol (a polysulphide rubber) Butyl rubber Polyurathane rubber Neoprene ANSWER DOWNLOAD EXAMIANS APP
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