Polymer Technology Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800? 49200 50000 50800 51600 49200 50000 50800 51600 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weight of polymers are in the range of 10²-10⁷ 10 to 10³ 10⁷-10⁹ 10⁹-10¹¹ 10²-10⁷ 10 to 10³ 10⁷-10⁹ 10⁹-10¹¹ ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In condensation polymerisation as compared to addition polymerisation No co-product is lost The monomers contain two functional groups Generally only one monomer is involved The monomers are unsaturated compounds No co-product is lost The monomers contain two functional groups Generally only one monomer is involved The monomers are unsaturated compounds ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Zeigler - Natta catalyst (AlR₃ - AlCl₃) is used in the polymerisation of Vinyl acetate Vinyl chloride Styrene Propylene Vinyl acetate Vinyl chloride Styrene Propylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a polyolefin? Polypropylene None of these Neoprene Polystyrene Polypropylene None of these Neoprene Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymerisation process in which two or more monomers of chemically different nature take part is called Chain polymerisation Copolymerisation None of these Addition polymerisation Chain polymerisation Copolymerisation None of these Addition polymerisation ANSWER DOWNLOAD EXAMIANS APP