Question

conduct an experiment to make a sundial.
Aim.
Materials required.
procedure.
observation.​

Answer 1

synthetic fibre A is chemically a polyamide whereas the synthetic

fibre B contains a large number of ester groups. Another synthetic fibre

C is made of a Cellulose which consists of a number of glucose units

joined one after the other.

i) Which fibre could be terylene, rayon and nylon ?

ii) Which fibre (A, B or C) is prepared from the natural raw material ?

iii) Which fibre contains ( A, B or C) the same type of groups as those in