PDF chapter test TRY NOW

Answer the following questions:
 
1. Fill in the blanks with appropriate words.
 
(a). Synthetic fibres are also called  or  fibres.
(b). Synthetic fibres are synthesised from raw material called .
(c). Like synthetic fibres, plastic is also a .
 
2. Give examples which indicate that nylon fibres are very strong.
 
The following examples indicate that nylon fibres are very strong.
 
(i). They are used for making for rock climbing.
 
(ii). They are used in making , tyre cord, a string for sports rackets and musical instruments.