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 fibers | (c) | Dacron |
(iv) | Polyester fabric | (d) | Melamine formaldehyde resins |
(v) | Synthetic rubber | (e) | Urea-formaldehyde resin |
(vi) | Unbreakable crockery | (f) | cis-polyisoprene |
Part (i):
Natural rubber is a linear polymer of isoprene (1-Methyl-1,3-butadiene) and is also called cis- 1,4-polyisoprene. It is obtained from the bark of latex trees.
(i) | Natural rubber latex | (f) | cis− polyisoprene |
Part (ii):
Urea-formaldehyde polymer is used in the manufacture of wood laminates.
(ii) | Wood laminates | (e) | Urea-formaldehyde resins |
Part (iii):
Nylon-6 is used in the manufacture of tyre cords, fabrics and ropes.
(iii) | Ropes and fibers | (a) | Nylon |
Part (iv):
Dacron or Terylene or polyester is used in the manufacture of polyester fabric.
(iv) | Polyester fabric | (c) | Dacron |
Part (v):
Neoprene, also called polychloroprene or synthetic rubber, is produced by the polymerisation of chloroprene.
(v) | Synthetic rubber | (b) | Neoprene |
Part (vi):
Melamine-formaldehyde resins are used in the manufacture of unbreakable crockery.
(vi) | Unbreakable crockery | (d) |
Melamine formaldehyde resins |
Correct match
Column I | Column II | ||
(i) |
Natural rubber latex |
(f) | cis− polyisoprene |
(ii) |
Wood laminates |
(e) |
Urea-formaldehyde resin |
(iii) |
Ropes and fibers |
(a) | Nylon |
(iv) |
Polyester fabric |
(c) | Dacron |
(v) |
Synthetic rubber |
(b) | Neoprene |
(vi) |
Unbreakable crockery |
(d) |
Melamine formaldehyde resins |