Polymer Technology In a cross linked polymer, the monomeric units are linked together to constitute a three dimensional network. Which of the following is a cross-linked polymer? Polyester Bakelite (phenol formaldehyde) Polythene Nylon-6 Polyester Bakelite (phenol formaldehyde) Polythene Nylon-6 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The monomer for the production of neoprene rubber is Isoprene Chloroprene None of these Acetylene Isoprene Chloroprene None of these Acetylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plexiglass (also called lucite) because of its high optical transparency is used for making lenses. It is chemically Polytetraflouroethylene(PTFE) Phenolic resins Polymethyl methacrylate (PMMA) Polycarbonates Polytetraflouroethylene(PTFE) Phenolic resins Polymethyl methacrylate (PMMA) Polycarbonates ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Buna-N is also called Butyl rubber Neoprene Thiokol Nitrile rubber Butyl rubber Neoprene Thiokol Nitrile rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cation exchange resins used in water treatment is made from __________ resin. Amino Phenolic Epoxy Urea formaldehyde Amino Phenolic Epoxy Urea formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Natural rubber is obtained from latex, which is a colloidal dispersion of rubber in water. Which of the following is used as a coagulant in latex? Both A & B Potassium alum Ammonium alum Neither A nor B Both A & B Potassium alum Ammonium alum Neither A nor B ANSWER DOWNLOAD EXAMIANS APP