Polymer Technology Polyesters are manufactured by the polycondensation reaction of Dibasic acid with dihydric alcohol Inorganic acid with ethylene glycol A single monomer Carboxylic acid with ethylene Dibasic acid with dihydric alcohol Inorganic acid with ethylene glycol A single monomer Carboxylic acid with ethylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Zeigler - Natta catalyst (AlR₃ - AlCl₃) is used in the polymerisation of Styrene Vinyl acetate Vinyl chloride Propylene Styrene Vinyl acetate Vinyl chloride Propylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Nylon-66 compared to nylon-6 has Lower melting point All of these Higher hardness More abrasion resistant properties Lower melting point All of these Higher hardness More abrasion resistant properties ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Phosphates (e.g., triceresyl, tributyl, tetrabutyl, tripheyl etc.) are added to polymers to act as Plasticisers Transparency improver Hardeners Anti-shrinkage agents Plasticisers Transparency improver Hardeners Anti-shrinkage agents ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers is used for making a non stick coating on frying pans? Bakelite Perspex Teflon PVC Bakelite Perspex Teflon PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In a co-polymer, the repeating units contain two different monomers. Which of the following is a copolymer? PTFE Buna-S Polycaprolactum PMMA PTFE Buna-S Polycaprolactum PMMA ANSWER DOWNLOAD EXAMIANS APP
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