Match the column I with Column II and choose the correct option using the codes given below.
column I
Column II
(a)
A fibre obtained by chemical treatment of wood pulp
(i)
Melamine
(b)
A fibre stronger than steel wire
(ii)
Acrylic
(c)
A fibre known as artificial wool
(iii)
Rayon
(d)
A fire-proof plastic
(iv)
Nylon
(a) - (iii), (b) - (iv), (c) - (ii), (d) - (i)
(a) - (i), (b) - (iv), (c) - (iii), (d) - (ii)
(a) - (iv), (b) - (i), (c) - (iii), (d) - (ii)
(a) - (ii), (b) - (i), (c) - (iv), (d) - (iii)
A
(a) - (iii), (b) - (iv), (c) - (ii), (d) - (i)
B
(a) - (iv), (b) - (i), (c) - (iii), (d) - (ii)
C
(a) - (ii), (b) - (i), (c) - (iv), (d) - (iii)
D
(a) - (i), (b) - (iv), (c) - (iii), (d) - (ii)
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Solution
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A fire-proof plastic - Melamine. Artificial wool is prepared from another type of synthetic fibre called acrylic. The wool obtained from natural sources is quite expensive. a nylon thread is stronger than a steel wire, also nylon fibre is strong, elastic and light. Such a fibre was obtained by chemical treatment of wood pulp. This fibre was called rayon or artificial silk.
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