Polymer Technology Cation exchange resins (0.3 to 1 mm size) used in water treatment is prepared from __________ resins. Epoxy Urea formaldehyde Melamine formaldehyde Phenol formaldehyde Epoxy Urea formaldehyde Melamine formaldehyde Phenol formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Neoprene is rendered non-inflammable, because of Its linear chain structure Its cross-linked structure The absence of chlorine atoms in its monomer The presence of chlorine atoms in its monomer Its linear chain structure Its cross-linked structure The absence of chlorine atoms in its monomer The presence of chlorine atoms in its monomer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The monomer of natural rubber is 2 methyl-1-propene DMT Isoprene Both B and C 2 methyl-1-propene DMT Isoprene Both B and C ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Valcunisation of rubber decreases its Resistance to organic solvents Working temperature range Tackiness Tensile strength Resistance to organic solvents Working temperature range Tackiness Tensile strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Starting material for the production of SBR is Ethylene Neither A nor B Both A & B Ethyl alcohol Ethylene Neither A nor B Both A & B Ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
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 Phenol formaldehyde resins Polyesters Cross linked polystyrene Polyamides Phenol formaldehyde resins Polyesters Cross linked polystyrene Polyamides ANSWER DOWNLOAD EXAMIANS APP
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