Polymer Technology Polyesters are manufactured by the polycondensation reaction of Inorganic acid with ethylene glycol A single monomer Carboxylic acid with ethylene Dibasic acid with dihydric alcohol Inorganic acid with ethylene glycol A single monomer Carboxylic acid with ethylene Dibasic acid with dihydric alcohol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Nylon-66 compared to nylon-6 has Higher hardness More abrasion resistant properties Lower melting point All of these Higher hardness More abrasion resistant properties Lower melting point All of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron (or terylene) fibres as compared to nylon fibres have All of these Better heat & acid resistant properties Poorer resistance to alkalis Poorer dyeability All of these Better heat & acid resistant properties Poorer resistance to alkalis Poorer dyeability ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Neoprene is rendered non-inflammable, because of Its cross-linked structure Its linear chain structure The absence of chlorine atoms in its monomer The presence of chlorine atoms in its monomer Its cross-linked structure Its linear chain structure The absence of chlorine atoms in its monomer The presence of chlorine atoms in its monomer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron is a None of these Condensation polymerisation product of hexamethylene diamine and adipic acid Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol Thermosetting material None of these Condensation polymerisation product of hexamethylene diamine and adipic acid Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol Thermosetting material ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polypropylene is preferred to polythene, because the former is Stronger Harder Non-inflammable Both B & C Stronger Harder Non-inflammable Both B & C ANSWER DOWNLOAD EXAMIANS APP
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