Polymer Technology Low pressure Zeigler process for the manufacture of polythene uses a catalyst which is Aluminium triethyl combined with titanium tetrachloride V₂O₅ Ni Fe Aluminium triethyl combined with titanium tetrachloride V₂O₅ Ni Fe ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation of formaldehyde with __________ does not produce phenolic resin. Resorcinol Melamine Para-cresol Phenol Resorcinol Melamine Para-cresol Phenol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycondensation reaction of polymerisation Does not need any catalyst Does not produce linear polymers Produces epoxy polymers Produces only thermoplastic material Does not need any catalyst Does not produce linear polymers Produces epoxy polymers Produces only thermoplastic material ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Visco-elastic behaviour exhibited by plastics is a __________ like behaviour. Solid Liquid Combination of solid & liquid Neither solid nor liquid Solid Liquid Combination of solid & liquid Neither solid nor liquid ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a natural polymer? Nucleic acids e.g. RNA and DNA Polysaccharides Polyurethane Polyisoprene Nucleic acids e.g. RNA and DNA Polysaccharides Polyurethane Polyisoprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Non sulphonated hard bakelites are not used for making Ion-exchange resins Fountain pen barrels Combs Formica table tops Ion-exchange resins Fountain pen barrels Combs Formica table tops ANSWER DOWNLOAD EXAMIANS APP
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