Polymer Technology Vulcanisation of raw rubber makes it Plastic Less elastic Soft Tacky Plastic Less elastic Soft Tacky ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Neoprene is rendered non-inflammable, because of Its cross-linked structure The absence of chlorine atoms in its monomer The presence of chlorine atoms in its monomer Its linear chain structure Its cross-linked structure The absence of chlorine atoms in its monomer The presence of chlorine atoms in its monomer Its linear chain structure ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following additives are added to plastics to make it impervious to X-rays? Barium salt Asbestos Phthalic acid Carborundum Barium salt Asbestos Phthalic acid Carborundum ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polythene is a/an Thermosetting material None of these Addition polymerisation product Condensation polymerisation product Thermosetting material None of these Addition polymerisation product Condensation polymerisation product 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? 50000 50800 51600 49200 50000 50800 51600 49200 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a condensation polymer? Bakelite Melamine polymer Polymethylmethacrylate (PMMA) None of these Bakelite Melamine polymer Polymethylmethacrylate (PMMA) None of these ANSWER DOWNLOAD EXAMIANS APP