Polymer Technology Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids? Proteins Nucleic acids Starch Cellulose Proteins Nucleic acids Starch Cellulose ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weights of plastics ranges from 20000 to 25000 5000 to 1000 1000 to 5000 10⁹ to l0¹¹ 20000 to 25000 5000 to 1000 1000 to 5000 10⁹ to l0¹¹ ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Softening point of high density polythene is about __________ °C. 165 135 205 85 165 135 205 85 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? 49200 50800 51600 50000 49200 50800 51600 50000 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology A copolymer is formed by the combination of two or more monomer molecules In a chain without the elimination of water None of these Of the same monomer by elimination of small molecules of water With the elimination of small amount of water In a chain without the elimination of water None of these Of the same monomer by elimination of small molecules of water With the elimination of small amount of water ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Starting material for the production of SBR is Both A & B Ethylene Neither A nor B Ethyl alcohol Both A & B Ethylene Neither A nor B Ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP