Polymer Technology Vulcanisation of raw rubber makes it Plastic Less elastic Soft Tacky Plastic Less elastic Soft Tacky ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Due to its excellent permeability to air/gas and oxidation resistance, the tubes of automobile tyres is made of Butyl rubber Bunai N Cold SBR Buna S Butyl rubber Bunai N Cold SBR Buna S ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weight of polymers are in the range of 10 to 10³ 10⁷-10⁹ 10⁹-10¹¹ 10²-10⁷ 10 to 10³ 10⁷-10⁹ 10⁹-10¹¹ 10²-10⁷ ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation of formaldehyde with __________ does not produce phenolic resin. Phenol Resorcinol Para-cresol Melamine Phenol Resorcinol Para-cresol Melamine ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In step growth polymerisation, generally only one type of reaction & some basic mechanism is involved. Step growth polymerisation reaction is not involved in the manufacture of Polyamides Polyesters Cross linked polystyrene Phenol formaldehyde resins Polyamides Polyesters Cross linked polystyrene Phenol formaldehyde resins ANSWER DOWNLOAD EXAMIANS APP
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 None of these Chlorophrene Chloroethane Isoprene None of these Chlorophrene Chloroethane Isoprene ANSWER DOWNLOAD EXAMIANS APP