Polymer Technology Epoxy resins (i.e., epoxide polymers) Are cross-linked polymers only Contain an epoxy group ( ##### ) at the ends of the polymer Use emulsion polymerisation methods Are made by addition polymerisation reaction only Are cross-linked polymers only Contain an epoxy group ( ##### ) at the ends of the polymer Use emulsion polymerisation methods Are made by addition polymerisation reaction only ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding Camphor Nitro cellulose None of these Glycerol Camphor Nitro cellulose None of these Glycerol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Elastomers are Having high flexural strength Thermosetting material Having very high tensile strength and heat resistance Exemplified by protein derivatives Having high flexural strength Thermosetting material Having very high tensile strength and heat resistance Exemplified by protein derivatives ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cation exchange resins used in water treatment is made from __________ resin. Phenolic Urea formaldehyde Epoxy Amino Phenolic Urea formaldehyde Epoxy Amino ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a natural polymer? Polyisoprene Polyurethane Nucleic acids e.g. RNA and DNA Polysaccharides Polyisoprene Polyurethane Nucleic acids e.g. RNA and DNA Polysaccharides ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The monomer of poly vinyl chloride (PVC) is Chloroform Ethyl chloride Chloroethene Ethylene dichloride Chloroform Ethyl chloride Chloroethene Ethylene dichloride ANSWER DOWNLOAD EXAMIANS APP