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 Polyesters Phenol formaldehyde resins Polyamides Cross linked polystyrene Polyesters Phenol formaldehyde resins Polyamides Cross linked polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Poly tetra flouro ethylene (PTFE) is known as Celluloid Bakelite Teflon Dacron Celluloid Bakelite Teflon Dacron ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ tubes are good substitude for human blood vessels onrheart by-pass operation. Polythene Teflon/dacron Polystyrene PVC Polythene Teflon/dacron Polystyrene PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Pickout the wrong statement. The intermoleculer forces in ther-mosplastic polymers are intermediate to that of elastomers & fibres Vulcanised rubber is more elastic than natural rubber Polymers made of more than one monomer is called copolymer or mixed polymer Polymers made of only one monomer is called homopolymer The intermoleculer forces in ther-mosplastic polymers are intermediate to that of elastomers & fibres Vulcanised rubber is more elastic than natural rubber Polymers made of more than one monomer is called copolymer or mixed polymer Polymers made of only one monomer is called homopolymer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Rayon is superior to cotton in making gauge for wound treatment, because rayon Is a synthetic polymer Does not stick to the wound unlike cotton Both B & C Can absorb over 90% of its own weight of water Is a synthetic polymer Does not stick to the wound unlike cotton Both B & C Can absorb over 90% of its own weight of water ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Neoprene is rendered non-inflammable, because of Its linear chain structure The absence of chlorine atoms in its monomer Its cross-linked structure The presence of chlorine atoms in its monomer Its linear chain structure The absence of chlorine atoms in its monomer Its cross-linked structure The presence of chlorine atoms in its monomer ANSWER DOWNLOAD EXAMIANS APP
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