Polymer Technology Zeigler - Natta catalyst (AlR₃ - AlCl₃) is used in the polymerisation of Propylene Vinyl acetate Styrene Vinyl chloride Propylene Vinyl acetate Styrene Vinyl chloride ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymers are None of these Sub-micromolecules Micromolecules Macromolecules None of these Sub-micromolecules Micromolecules Macromolecules ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is stretched into fibres? Saturated polyester Isoprene Unsaturated polyester Bakelite Saturated polyester Isoprene Unsaturated polyester Bakelite ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a natural fibre? Wool Cotton Viscose rayon Silk Wool Cotton Viscose rayon Silk ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Epoxy resins (i.e., epoxide polymers) Contain an epoxy group ( ##### ) at the ends of the polymer Are made by addition polymerisation reaction only Use emulsion polymerisation methods Are cross-linked polymers only Contain an epoxy group ( ##### ) at the ends of the polymer Are made by addition polymerisation reaction only Use emulsion polymerisation methods Are cross-linked polymers only ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermocole is a spongy, porous, rigid or flexible foamed plastic, obtained by blowing gas/air through molten Saturated polyester Polyurathane Polystyrene Either B or C Saturated polyester Polyurathane Polystyrene Either B or C ANSWER DOWNLOAD EXAMIANS APP