Polymer Technology In step growth polymerisation, generally only one type of reaction & some basic mechanism is involved. Step growth polymerisation reaction is not involved in the manufacture of Polyesters Phenol formaldehyde resins Polyamides Cross linked polystyrene Polyesters Phenol formaldehyde resins Polyamides Cross linked polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Nylon-66 is a polyamide of Hexamethylene diamine and adipic acid Adipic acid and methyl amine Vinyl chloride and formaldeyde None of these Hexamethylene diamine and adipic acid Adipic acid and methyl amine Vinyl chloride and formaldeyde None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cation exchange resins (0.3 to 1 mm size) used in water treatment is prepared from __________ resins. Melamine formaldehyde Urea formaldehyde Phenol formaldehyde Epoxy Melamine formaldehyde Urea formaldehyde Phenol formaldehyde Epoxy ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Rexin (also called artificial leather), which is used for making table cover, automobile seat cover, shoes etc. is made by coating thick cloth with molten Bakelite PVC Teflon SBR Bakelite PVC Teflon SBR ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosplastic materials Are heavily branched molecules None of these Do not soften on application of heat Are solvent insoluble Are heavily branched molecules None of these Do not soften on application of heat Are solvent insoluble ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Rain coats are made of Polyurathane Neoprene PVC SBR Polyurathane Neoprene PVC SBR ANSWER DOWNLOAD EXAMIANS APP
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