A. Catalytic dehydrogenation of ethyl benzene
B. Dehydration of ethyl alcohol followed by hydrogenation
C. Reacting ethylene oxide with acetaldehyde
D. Fermentation of starch
Related Mcqs:
- SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at_________________?
A. 1: 3
B. 3 : 1
C. 1 : 2
D. 2 : 1 - Styrene butadiene rubber is commercially manufactured by__________________?
A. Bulk polymerisation
B. Suspension polymerisation
C. Solution polymerisation
D. Emulsion polymerisation - Polystyrene is a light, transparent, thermoplastic material used for making __________________?
A. Toys and combs
B. Packaging bags
C. Non-sticking utensils
D. Electrical insulation - Thermocol (expanded polystyrene) is not used for __________________?
A. Low temperature thermal insulation as in refrigerator and air conditioners
B. Acoustic control and ceiling for building
C. High temperature thermal insulation in furnaces
D. Packing of delicate electronic gadgets - Acrylonitrile-butadiene-styrene (ABS) copolymer, which is produced by blending styreneacrylonitrile copolymer with butadiene based elastomer, is a/an__________________?
A. Rigid foam
B. Engineering plastic
C. Thermosetting polymer
D. Spongy rubber - The monomer for the production of neoprene rubber is_________________?
A. Acetylene
B. Chloroprene
C. Isoprene
D. None of these - The organic acid monomer in nylon-66 is __________________?
A. Sebacic acid
B. Terephthalic acid
C. Adipic acid
D. Benzoic acid - Polystyrene is a ____________ plastic at room temperature?
A. Ductile
B. Brittle
C. Malleable
D. None of these - The monomer of natural rubber is A. DMT ______________________?
B. Isoprene
C. 2 methyl-1 propane
D. Both B. and C. - β – glucose is the monomer of__________________?
A. Cellulose
B. Starch
C. Protein
D. None of these