Polymer Technology Cation exchange resins (0.3 to 1 mm size) used in water treatment is prepared from __________ resins. Epoxy Melamine formaldehyde Urea formaldehyde Phenol formaldehyde Epoxy Melamine formaldehyde Urea formaldehyde Phenol formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weight of polymers are in the range of 10²-10⁷ 10⁹-10¹¹ 10⁷-10⁹ 10 to 10³ 10²-10⁷ 10⁹-10¹¹ 10⁷-10⁹ 10 to 10³ ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Valcunisation of rubber decreases its Working temperature range Tensile strength Tackiness Resistance to organic solvents Working temperature range Tensile strength Tackiness Resistance to organic solvents ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weights of plastics ranges from 10⁹ to l0¹¹ 20000 to 25000 1000 to 5000 5000 to 1000 10⁹ to l0¹¹ 20000 to 25000 1000 to 5000 5000 to 1000 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 Ion exchange resins are made of Lucite Sulphonated bakelite Polystyrene Teflon Lucite Sulphonated bakelite Polystyrene Teflon ANSWER DOWNLOAD EXAMIANS APP