A. Acetylene
B. Chloroprene
C. Isoprene
D. None of these
Related Mcqs:
- 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 - The monomer of natural rubber is A. DMT ______________________?
B. Isoprene
C. 2 methyl-1 propane
D. Both B. and C. - Styrene which is a monomer for the production of polystyrene, is commercially produced by the __________________?
A. Catalytic dehydrogenation of ethyl benzene
B. Dehydration of ethyl alcohol followed by hydrogenation
C. Reacting ethylene oxide with acetaldehyde
D. Fermentation of starch - 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 ?
A. Ammonium alum
B. Potassium alum
C. Both A. & B.
D. Neither A. nor B. - Styrene butadiene rubber (SBR) as compared to natural rubber has_______________?
A. Poor tensile strength
B. Poorer resistance
C. Greater amount of heat build up heavy loading
D. All A., B. and C. - Antioxidants are added to rubber to protect it from the attack of light, heat & atmospheric ozone. Which of the following is an antioxidant used in rubber ?
A. Carbon
B. Alkylated diphenyl amine
C. Thiokol
D. Magnesium - Which of the following is the most important rubber compounding ingredient which is used to improve wearing qualities of both natural rubber & SBR by imparting toughness ?
A. Phosphorous
B. Carbon black
C. Pine oil
D. Rosin - Neoprene is rendered non-inflammable, because of_____________________?
A. Its cross-linked structure
B. Its linear chain structure
C. The presence of chlorine atoms in its monomer
D. The absence of chlorine atoms in its monomer - Neoprene is a___________________?
A. Monomer
B. Synthetic rubber
C. Polyester
D. None of these - Trade name of ______________ is neoprene?
A. Polychlorophrene
B. Polyisoprene
C. Polytetrafluoroethylene
D. Poly vinyl acetate
