CBSE
Multiple Choice QuestionsWhen addition polymerisation of ethene takes place in a hydrocarbon solvent in the presence of ziegler-Natta catalyst, it forms:
LDP
HDP
Polyacrylnitrile
Teflon
Substance having ester linkage is
bakelite
polythene
PVC
terylene
Which one of the following molecules undergoes polymerisation to form natural rubber?
Styrene
2-methyl-1, 3-butadiene
Ethylene
Iso-butene
Among the following substituted silanes, the one which will give rise to cross-linked silicone polymer on hydrolysis is
R3SiCl
R4Si
RSiCl3
R2SiCl2
Three dimensional molecules with cross links are formed in the case of a :
thermoplastic
thermosetting plastic
Both (a) and (b)
None of these
Which of the following polymers is prepared by condensation polymerisation ?
Teflon
Styrene
Rubber
Nylon 6, 6
Which of the following, is a mordant dye?
Aniline black
Congo-red
Alizarin
Indigo
Buna-N synthetic rubber is a copolymer of:
H2C=CH-CN and H2C=CH-CH=CH2
H2C=CH-CN and H2C=CH-=CH2
H2C=CH-=CH and H2C=CH-CH=CH2
H2C=CH-CH=CH2 and H5C6-CH=CH2
The monomer of the polymer
H2C = C(CH3)2
(CH3)2C = C(CH3)2
CH3CH = CH CH3
CH3CH = CH2
Which is used as medicine?
PVC
Terylene
Glyptal
Urotropine
