Polymer Technology Which of the following is not a natural polymer? Polyisoprene Polysaccharides Nucleic acids e.g. RNA and DNA Polyurethane Polyisoprene Polysaccharides Nucleic acids e.g. RNA and DNA Polyurethane ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymerisation process in which two or more monomers of chemically different nature take part is called Copolymerisation Addition polymerisation None of these Chain polymerisation Copolymerisation Addition polymerisation None of these Chain polymerisation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Scouring is a finishing operation during the manufacture of fibre, which aims at __________ of fibres. Improving the stretchability Glycol soaking Detergent solution washing Dyeing/colouring Improving the stretchability Glycol soaking Detergent solution washing Dyeing/colouring ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ scrap can be recycled & reutilised. Bakelite Epoxy resin Polythene None of these Bakelite Epoxy resin Polythene None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Identify the group in which all the polymers mentioned can be used to make fibres. Cellulose derivatives, Polyisoprene, Polyethylene Butadiene copolymers, Polyamides, Urea aldehyde Polypropylene, Poly vinyl chloride, Silicon Cellulose derivatives, Polyamides, Polyurathane Cellulose derivatives, Polyisoprene, Polyethylene Butadiene copolymers, Polyamides, Urea aldehyde Polypropylene, Poly vinyl chloride, Silicon Cellulose derivatives, Polyamides, Polyurathane ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosetting polymers as compared to thermoplastic polymers Have linear structure Are formed by addition polymerisation None of these Have three dimensional structure Have linear structure Are formed by addition polymerisation None of these Have three dimensional structure ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS