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 Polyamides Phenol formaldehyde resins Cross linked polystyrene Polyesters Polyamides Phenol formaldehyde resins Cross linked polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a natural fibre? Wool Viscose rayon Silk Cotton Wool Viscose rayon Silk Cotton ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800? 51600 49200 50800 50000 51600 49200 50800 50000 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Caprolactum, a raw material for the manufacture of nylon-6, is produced from Pyridine Benzene Phenol Naphthalene Pyridine Benzene Phenol Naphthalene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation is not involved in the manufacture of Nylon Teflon Terylene Polythene Nylon Teflon Terylene Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weights of plastics ranges from 5000 to 1000 20000 to 25000 1000 to 5000 10⁹ to l0¹¹ 5000 to 1000 20000 to 25000 1000 to 5000 10⁹ to l0¹¹ ANSWER DOWNLOAD EXAMIANS APP