Polymer Technology Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces Epoxy resin Alkyd resin Polyamide Phenolic resin Epoxy resin Alkyd resin Polyamide Phenolic resin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at 1:3 3:1 2:1 1:2 1:3 3:1 2:1 1:2 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is stretched into fibres? Unsaturated polyester Saturated polyester Bakelite Isoprene Unsaturated polyester Saturated polyester Bakelite Isoprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosetting resins/polymers as compared to thermoplastic ones are Easily reshaped & reused Formed by addition polymerisation only More brittle Soluble in all organic solvents Easily reshaped & reused Formed by addition polymerisation only More brittle Soluble in all organic solvents ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Neoprene is rendered non-inflammable, because of The absence of chlorine atoms in its monomer Its linear chain structure The presence of chlorine atoms in its monomer Its cross-linked structure The absence of chlorine atoms in its monomer Its linear chain structure The presence of chlorine atoms in its monomer Its cross-linked structure ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycaprolactum is Dacron Rayon Nylon-66 Nylon-6 Dacron Rayon Nylon-66 Nylon-6 ANSWER DOWNLOAD EXAMIANS APP