Polymer Technology Vulcanisation of rubber does not increase its Softness Elasticity & water solubility Weight & strength Oxidation resistance Softness Elasticity & water solubility Weight & strength Oxidation resistance ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Starting material for the production of SBR is Ethyl alcohol Both A & B Neither A nor B Ethylene Ethyl alcohol Both A & B Neither A nor B Ethylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Viscosity of a polymer solution or melt Decreases with increase in temperature Decreases with increase in molecular weight Does not vary with temperature rise Increases with increase in temperature Decreases with increase in temperature Decreases with increase in molecular weight Does not vary with temperature rise Increases with increase in temperature ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polypropylene is preferred to polythene, because the former is Non-inflammable Harder Both B & C Stronger Non-inflammable Harder Both B & C Stronger ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is produced by polymerisation of chloroprene. Thiokol (a polysulphide rubber) Butyl rubber Neoprene Polyurathane rubber Thiokol (a polysulphide rubber) Butyl rubber Neoprene Polyurathane rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Benzoyl chloride is not used as a catalyst in the manufacture of Polyvinyl chloride-co-vinylacetate Polystyrene Polypropylene Polyvinyl acetate Polyvinyl chloride-co-vinylacetate Polystyrene Polypropylene Polyvinyl acetate ANSWER DOWNLOAD EXAMIANS APP