Question

some questions about synthetic fibre

Answer 1

Which of the two are stronger : natural fibres or synthetic fibres?

Answer 2

HLO


HERE THE ANSWER OF CLASS 8th ...


Q1 define the terms ...

1 artificial silk or rayon _ fibre was obtained by chemical treatment of wood pulp this fibre was called artificial silk or rayon ..


2 synthetic or man made fibre _the fibres that are made by human beings diesel ko synthetic fibres are man made fibres ..


Q2 write down the characteristic features of Nylon

ANS nylon fibre was strong elastic and light it was lustre and easy to wash


Q3 write the uses of Nylon
ANS ropes, tents ,socks ,toothbrush, car seat belts ,sleeping bags ,curtains etc


Q4we should not wear synthetic clothes while working in the kitchen on Laboratory why
ans if the clothes catch fire it can be disastrous the fibre melt and stick to the body of the person wearing it. we should therefore not wearing synthetic fibres clothes while working in the kitchen on in laboratory..


Q5 what are the characteristics of synthetic fibres
ANS Dry up quickly, are durable , less expensive, readily available and easy to maintain ..


Q6 rayon is different from synthetic fibres why
ANS because it is obtained from wood pulp .


Q7 nylon thread is strong if yes give some examples
ANS yes nylon thread is actually stronger than a steel wire. it is used for making parachutes and ropes for Rock climbing ..

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