A. Bakelite
B. Teflon
C. Perspex
D. PVC
Related Mcqs:
- Cellulose acetate has very high film permeability among all the polymers of the order of 5000 gm/100 m2. Which of the following polymers has the maximum film elongation (of the order of 100%) ?
A. Water impermeable cellophane
B. Polythene
C. Cellulose acetate
D. Teflon - Branched chair polymers as compared to linear polymers have _________________?
A. Higher melting point
B. Higher tensile strength
C. Lower density
D. None of these - In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher ___________________?
A. Densities
B. Melting point
C. Tensile strength
D. Hardness, rigidity & brittleness - Branched chain polymers compared to linear polymers have higher ____________________?
A. Density
B. Tensile strength
C. Melting point
D. Degree of irregularity in atomic packing - Rexine (also called artificial leather), which is used for making table cover, automobile seat cover, shoes etc. is made by coating thick cloth with molten_______________?
A. Teflon
B. Bakelite
C. SBR
D. PVC - The process involved in converting rubber into a thin sheet or coating it on fabric is called__________________?
A. Extrusion
B. Mastication
C. Calendaring
D. Vulcanisation - Neoprene which is used for making shoe heels & belts is superior to natural rubber in its stability to aerial oxidation and resistance to oils & other solvents. The monomer used for making neoprene is_________________?
A. Chloroethane
B. Chloroprene
C. Isoprene
D. None of these - Which of the following polymers belong to the class of formaldehyde resin ?
A. Melamine resins
B. Teflon
C. Dacron
D. None of these - Plasticisers are high boiling liquids added to plastic polymers to impart toughness and flexibility at ordinary temperature. Which of the following is not a plasticiser ?
A. Ethylene glycol
B. Stearic acid estors
C. Tricresyl phosphate
D. Esters of phthalic acid - Which of the following polymers are produced by employing all bulk polymerisation, solution polymerisation & suspension polymerisation technique of addition (chain) polymerisation ?
A. PVC
B. Bakelite
C. PTFE
D. Epoxy resin
