Polymer Technology Neoprene which is used for making shoe heels & belts is superior to natural rubber in its stability to aerial oxidation and resistance to oils & other solvents. The monomer used for making neoprene is Isoprene Chlorophrene None of these Chloroethane Isoprene Chlorophrene None of these Chloroethane ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cross linked polymers are Thermoplastic Fibres only Either A or B Thermosetting Thermoplastic Fibres only Either A or B Thermosetting ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher Tensile strength Densities Melting point Hardness, rigidity & brittleness Tensile strength Densities Melting point Hardness, rigidity & brittleness ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polypropylene compared to polythene is All of these Stronger Lighter Harder All of these Stronger Lighter Harder ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycondensation reaction of polymerisation Produces epoxy polymers Produces only thermoplastic material Does not need any catalyst Does not produce linear polymers Produces epoxy polymers Produces only thermoplastic material Does not need any catalyst Does not produce linear polymers ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces Alkyd resin Phenolic resin Epoxy resin Polyamide Alkyd resin Phenolic resin Epoxy resin Polyamide ANSWER DOWNLOAD EXAMIANS APP