Which of the following groups contain only synthetic fibers?
Nylon, Terylene, Wool
Cotton, Polycot, Rayon
PVC, Polythene, Bakelite
Acrylic, Silk, Wool
PVC, Polythene and Bakelite all three are synthetic fibres. Wool, cotton and silk are natural fibres.
The synthetic fibre which contains the organic group similar to those which give fruits their 'sweet smell' is :
(a) nylon (b) acrylic (c) terylene (d) rayon
The synthetic polymer which can be used as a substitute for wool for making sweaters and shawls, etc., is :
(a) nylon (b) polyester (c) terylene (d) acrylic