Polymer Technology Low pressure Zeigler process for the manufacture of polythene uses a catalyst which is V₂O₅ Fe Aluminium triethyl combined with titanium tetrachloride Ni V₂O₅ Fe Aluminium triethyl combined with titanium tetrachloride Ni ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ polymer is produced by the copolymerisation of vinyl chloride-vinyl acetate. Leathery Rubbery Fibrous Hard Leathery Rubbery Fibrous Hard ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers is used for making a non stick coating on frying pans? Teflon PVC Perspex Bakelite Teflon PVC Perspex Bakelite 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 With the elimination of small amount of water None of these Of the same monomer by elimination of small molecules of water In a chain without the elimination of water With the elimination of small amount of water None of these Of the same monomer by elimination of small molecules of water ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is stretched into fibres? Unsaturated polyester Isoprene Saturated polyester Bakelite Unsaturated polyester Isoprene Saturated polyester Bakelite ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Natural rubber is obtained from latex, which is a colloidal dispersion of rubber in water. Which of the following is used as a coagulant in latex? Both A & B Potassium alum Neither A nor B Ammonium alum Both A & B Potassium alum Neither A nor B Ammonium alum ANSWER DOWNLOAD EXAMIANS APP
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