Polymer Technology The monomer of natural rubber is 2 methyl-1-propene Isoprene DMT Both B and C 2 methyl-1-propene Isoprene DMT Both B and C 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 Phenol formaldehyde Urea formaldehyde Epoxy Melamine formaldehyde Phenol formaldehyde Urea formaldehyde Epoxy ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a natural polymer? Polyisoprene Polysaccharides Polyurethane Nucleic acids e.g. RNA and DNA Polyisoprene Polysaccharides Polyurethane Nucleic acids e.g. RNA and DNA ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is a thermosetting plastic. Polystyrene Bakelite PVC Polythene Polystyrene Bakelite PVC Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their Molecular sizes Resistance to heat Magnitude of intermolecular forces Polymerisation mechanism Molecular sizes Resistance to heat Magnitude of intermolecular forces Polymerisation mechanism ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Acrilan fibres used for making cloth, carpet & blankets, which is a hard, horny & high melting polymeric material is nothing but Polyacrylonitrile Alkyd resin Saturated polyester Polyamide Polyacrylonitrile Alkyd resin Saturated polyester Polyamide ANSWER DOWNLOAD EXAMIANS APP