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Question

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

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Solution

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


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