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
In a co-polymer, the repeating units contain two different monomers. Which of the following is a copolymer?
A PTFE
B Buna-S
C PMMA
D Polycaprolactum
A copolymer of vinyl and vinylidine chloride is called
A Treylene
B Orlon
C Saran
D Dacron
__________ is a copolymer.
A Nylon-66
B Polyrophylene
C PVC
D Polytetrafluoroethylene
Which of the following is a copolymer?
A PVC
B Bakelite
C Polythene
D Teflon
দুটি এক-পরমাণুক আদর্শ গ্যাস পরস্পরের সাথে তাপীয় সাম্যাবস্থায় আছে। A গ্যাস m ভরের অণু দ্বারা গঠিত, এবং B গ্যাস 4m ভরের অণু দ্বারা গঠিত। A গ্যাসের আয়তন ৪ গ্যাসের আয়তনের দ্বিগুণ। এদের চাপের অনুপাত PA / PB কত? (Two monoatomic ideal gases are in thermal equilibrium with each other. Gas A is composed of molecules with mass m while gas B is composed of molecules with mass 4m. The volume of gas A is twice that of gas B. What it the ratio of their pressures PA / PB ?)
A 1/4
B 1/2
C 1
D 2
The monomer of polythene is
A vinyl chloride
B ethylene
C ethyl alcohol
D None of the above
The monomer of natural rubber is
A DMT
B Isoprene
C 2 methyl-1-propene
D Both B and C
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
The monomer of poly vinyl chloride (PVC) is
A Chloroethene
B Ethylene dichloride
C Ethyl chloride
D Chloroform

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