Related Questions

Acrylonitrile-butadiene-styrene (ABS) copolymer, which is produced by blending styrene-acrylonitfile copolymer with butadiene based elastomer, is a/an
A Rigid foam
B Engineering plastic
C Thermosetting polymer
D Spongy rubber
__________ is produced by the dehydrogenation of ethyl benzene.
A Styrene
B Ethyl alcohol
C Cumene
D Phenol
Isopropyl benzene produced by alkylation of benzene with propylene is known as
A Neoprene
B Cumene
C Gelatin
D Mercaptans
যদি ইথাইল বেনজিনকে KMnO4 এর সাথে তাপ দেওয়া হয়, তবে নিচের কোনটি উৎপন্ন হয়? (Which of the following is yielded, if ethyl benzene is heated with KMnO4?)
A বেনজিন (Benzene)
B বেনজোয়িক এসিড (Benzoic acid)
C টলুইন (Toluene)
D ইথেন (Ethane)
Dehydrogenation of ethyl benzene produces
A Styrene
B Naphthalene
C Phenol
D Benzoic acid
ক্ষারীয় KMnO4 দ্বারা ইথাইল বেনজিনকে সম্পূর্ণ জারিত করলে উৎপন্ন হয়- (Complete oxidation of ethyl benzene by alkaline KMnO4 yields-)
A বেনজাইল অ্যালকোহল (benzyl alcohol)
B বেনজয়িক এসিড (benzoic acid)
C বেনজোফিনোন (benzophenone)
D অ্যাসিটোফিনোন ( acetophenone )
BHC (Benzene hexachloride) is made by the chlorination of benzene
A Which is an addition reaction
B Which is a substitution reaction
C In absolute dark
D In presence of sunlight
Chlorination of benzene is done to produce benzene hexachloride (a pesticide) in a photochemical reactor lined with
A Karbate
B Lead or glass
C Fireclay bricks
D PVC
Styrene (a monomer for the production of polystyrene) is commercially produced by
A Catalytic dehydrogenation of ethyl benzene
B Dehydration of ethyl alcohol followed by hydrogenation
C Reacting ethylene oxide with acetal-dehyde
D Fermentation of starch
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 acetal-dehyde
D Fermentation of starch

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