Polymer Technology A copolymer is formed by the combination of two or more monomer molecules None of these Of the same monomer by elimination of small molecules of water In a chain without the elimination of water With the elimination of small amount of water None of these Of the same monomer by elimination of small molecules of water In a chain without the elimination of water With the elimination of small amount of water ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Tyres are made by Injection moulding Extrusion Compression moulding Rotational moulding Injection moulding Extrusion Compression moulding Rotational moulding ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene which is a monomer for the production of polystyrene, is commercially produced by the Dehydration of ethyl alcohol followed by hydrogenation Catalytic dehydrogenation of ethyl benzene Reacting ethylene oxide with acetal-dehyde Fermentation of starch Dehydration of ethyl alcohol followed by hydrogenation Catalytic dehydrogenation of ethyl benzene Reacting ethylene oxide with acetal-dehyde Fermentation of starch ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The physical state in which polymers exist is All of these Partially crystalline state Amorphous glassy state Melts & rubber like state All of these Partially crystalline state Amorphous glassy state Melts & rubber like state ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of __________ percent. 1-1000 1000-1500 1500-2000 2000-2500 1-1000 1000-1500 1500-2000 2000-2500 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Vulcanisation of rubber does not increase its Softness Weight & strength Elasticity & water solubility Oxidation resistance Softness Weight & strength Elasticity & water solubility Oxidation resistance ANSWER DOWNLOAD EXAMIANS APP