Polymer Technology Molecular weights of plastics ranges from 1000 to 5000 10⁹ to l0¹¹ 5000 to 1000 20000 to 25000 1000 to 5000 10⁹ to l0¹¹ 5000 to 1000 20000 to 25000 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Low pressure Zeigler process for the manufacture of polythene uses a catalyst which is Aluminium triethyl combined with titanium tetrachloride Fe V₂O₅ Ni Aluminium triethyl combined with titanium tetrachloride Fe V₂O₅ Ni ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The monomer of poly vinyl chloride (PVC) is Ethyl chloride Chloroethene Chloroform Ethylene dichloride Ethyl chloride Chloroethene Chloroform Ethylene dichloride ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polystyrene is a __________ plastic at room temperature. Malleable Ductile Brittle None of these Malleable Ductile Brittle None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymerisation process in which two or more monomers of chemically different nature take part is called Chain polymerisation Addition polymerisation None of these Copolymerisation Chain polymerisation Addition polymerisation None of these Copolymerisation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyvinyl chloride (PVC) Is produced by polycondensation reaction Softening temperature is 200°C Can be made thermosetting by adding a plasticiser Uses either emulsion or suspension polymerisation methods Is produced by polycondensation reaction Softening temperature is 200°C Can be made thermosetting by adding a plasticiser Uses either emulsion or suspension polymerisation methods ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS