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CH-3 SYNTHETIC FIBRES AND PLASTICS
Q1. Write full form of :-
PVC
PET
Q2. What is rayon? Write its uses.
Q3. Write uses of plastics in health care industry.
Q4. Write disadvantages of plastics.
Q5. Say "no" to polythene bags and say "yes" to paper bags. Comment
on this slogan.
06. Why is Teflon used in cook wares?
Q7. Write properties of nylon.
Q8. Why is polyester quite suitable for making dress materials?
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- pvc : polyvinyl chloride ,pet:poly ethylene terephthalate
- rayon is man made fibres prepared from natural raw materials by chemical treatment.
- rayon is used in textile industry for making clothing.
- rayon is used to make carpet.
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