EASY
JEE Main
IMPORTANT
Earn 100
The structure of is:
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Important Questions on Polymers
HARD
JEE Main
IMPORTANT
Which among the following is classified as a condensation polymer?
MEDIUM
JEE Main
IMPORTANT
The correct match between item - I and item - II is :
| Item - I | Item - II | ||
| (a) | Natural rubber | (I) | 1, 3-butadiene + styrene |
| (b) | Neoprene | (II) | 1, 3-butadiene |
| (c) | Buna-N | (III) | chloroprene |
| (d) | Buna-S | (IV) | Isoprene |
MEDIUM
JEE Main
IMPORTANT
Consider the Assertion and Reason given below.
Assertion (A) : Ethene polymerized in the presence of Ziegler Natta Catalyst at high temperature and pressure is used to make buckets and dustbins.
Reason (R) : High density polymers are closely packed and are chemically inert. Choose the correct answer from the following:
MEDIUM
JEE Main
IMPORTANT
Which one of the following polymers is not obtained by condensation polymerisation ?
EASY
JEE Main
IMPORTANT
Which polymer is used in the manufacture of paints and lacquers?
EASY
JEE Main
IMPORTANT
Which of the following statements about low density polythene is FALSE?
MEDIUM
JEE Main
IMPORTANT
Which among the following is not a polyester ?
EASY
JEE Main
IMPORTANT
Monomer of Novolac is :
