Polymer Technology Neoprene is rendered non-inflammable, because of The absence of chlorine atoms in its monomer Its linear chain structure Its cross-linked structure The presence of chlorine atoms in its monomer The absence of chlorine atoms in its monomer Its linear chain structure Its cross-linked structure The presence of chlorine atoms in its monomer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Vulcanisation of rubber does not increase its Weight & strength Oxidation resistance Softness Elasticity & water solubility Weight & strength Oxidation resistance Softness Elasticity & water solubility ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The physical state in which polymers exist is All of these Amorphous glassy state Melts & rubber like state Partially crystalline state All of these Amorphous glassy state Melts & rubber like state Partially crystalline state ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The main use of butadiene is None of these As a plasticiser for unsaturated polyester As an anti-skimming agent in paint In the manufacture of synthetic rubber None of these As a plasticiser for unsaturated polyester As an anti-skimming agent in paint In the manufacture of synthetic rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition polymerisation takes place either by a free radical mechanism or ionic machanism depending on the reagents used. Free radical polymerisation is catelyzed by __________ , which decompose to give free radicals. None of these Organic peroxides Hydroflouric acid Sulphuric acid None of these Organic peroxides Hydroflouric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Density of low density polythene is about __________ gm/c.c. 0.91 0.38 0.56 0.81 0.91 0.38 0.56 0.81 ANSWER DOWNLOAD EXAMIANS APP
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