Question

Fill in the following blanks with suitable words: 

(a) Synthetic fibres are also called……….or……fibres. 

(b) Synthetic fibres are made from raw materials called…………. 

(c) Like synthetic fibres, plastic is also a ………… 

(d) The use of plastics can be reduced by using bags made of …………or …………….instead of polythene bags.

Answer 1

(a) man-made or artificial, Rayon and nylon are the examples of synthetic fibers. 

(b) petrochemicals, Nylon was the first fully synthetic fiber. It was petrochemicals which is derived from fossil fuels 

(c) polymer , The arrangement of units in a plastic can be linear or cross-linked. 

(d) paper or jute bag Disposal of plastic is a major problem. This is can be reduced by use paper or jute bag.