(d) Which material is used as a substitue for glass?
80. The synthetic fibre A is chemically a polyamide whereas the synthetic fibre B contains a large numb
ester groups. Another synthetic fibre C is made of a polymer D which consists of a number of us
units joined one after the other.
(a) Which fibre could be ) terylene (ii) rayon, and (iii) nylon?
(b) Name the polymer D.
(c) Which fibre (A, B or C) is prepared from a natural raw material ?
(d) Which fibre (A, B or C) contains the same type of groups as those in a PET jar?
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