Polymer Technology Condensation polymerisation of formaldehyde with __________ does not produce phenolic resin. Resorcinol Phenol Melamine Para-cresol Resorcinol Phenol Melamine Para-cresol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Chain growth polymerisation is a process, in which the monomers are added in a chain fashion, and it requires an initiator to produce the free radical. An example of chain growth polymerisation products is Bakelite Nylon-66 Polyester Teflon Bakelite Nylon-66 Polyester Teflon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Identify the group in which all the polymers mentioned can be used to make fibres. Cellulose derivatives, Polyamides, Polyurathane Polypropylene, Poly vinyl chloride, Silicon Cellulose derivatives, Polyisoprene, Polyethylene Butadiene copolymers, Polyamides, Urea aldehyde Cellulose derivatives, Polyamides, Polyurathane Polypropylene, Poly vinyl chloride, Silicon Cellulose derivatives, Polyisoprene, Polyethylene Butadiene copolymers, Polyamides, Urea aldehyde ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosplastic materials None of these Do not soften on application of heat Are heavily branched molecules Are solvent insoluble None of these Do not soften on application of heat Are heavily branched molecules Are solvent insoluble ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Vinyl flooring is done using __________ sheets. PVC Polypropylene Polythene Polyvinyl acetate PVC Polypropylene Polythene Polyvinyl acetate ANSWER DOWNLOAD EXAMIANS APP
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? 51600 50800 50000 49200 51600 50800 50000 49200 ANSWER DOWNLOAD EXAMIANS APP