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प्रश्न
Match materials given in Column I with the polymers given in Column II.
| Column I | Column II |
| (i) Natural rubber latex | (a) Nylon |
| (ii) Wood laminates | (b) Neoprene |
| (iii) Ropes and fibres | (c) Dacron |
| (iv) Polyester fabric | (d) Melamine formaldehyde resins |
| (v) Synthetic rubber | (e) Urea-formaldehyde resins |
| (vi) Unbreakable crockery | (f) cis-polyisoprene |
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उत्तर
| Column I | Column II |
| (i) Natural rubber latex | (f) cis-polyisoprene |
| (ii) Wood laminates | (e) Urea-formaldehyde resins |
| (iii) Ropes and fibres | (a) Nylon |
| (iv) Polyester fabric | (c) Dacron |
| (v) Synthetic rubber | (b) Neoprene |
| (vi) Unbreakable crockery | (d) Melamine formaldehyde resins |
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संबंधित प्रश्न
What is natural rubber?
(A) Cis-1,4-polyisoprene
(B) Neoprene
(C) Trans-1,4-polyisoprene
(D) Butyl rubber
Write names and chemical formulae of monomers used in preparing Buna-S.
What is the role of sulphur in the vulcanisation of rubber?
How does the presence of double bonds in rubber molecules influence their structure and reactivity?
Identify the monomer in the following polymeric structures.
Write names and chemical formulae of monomers used in preparing Buna-N.
Write the formulae of the raw materials used for preparation of Buna-S
Write the structure of the monomer used in the following polymer:
Buna-S
Which of the following are example of synthetic rubber?
(i) Polychloroprene
(ii) Polyacrylonitrile
(iii) Buna-N
(iv) cis-polyisoprene
Vulcanisation makes rubber:
(i) more elastic
(ii) soluble in inorganic solvent
(iii) crystalline
(iv) more stiff
Identify the polymer given below:
The polymer of natural rubber is:-
Which of the following is correct regarding the drawbacks of raw rubber.
Which of the following statement is CORRECT regarding the drawbacks of raw rubber?
In vulcanization of rubber:
Match List I with List II.
| List I | List II |
| (Monomer Unit) | (Polymer) |
| (a) Caprolactum | (i) Natural rubber |
| (b) 2-Chloro-1, 3-butadiene | (ii) Buna-N |
| (c) Isoprene | (iii) Nylon-6 |
| (d) Acrylonitrile | (iv) Neoprene |
Choose the correct answer from the options given below:
