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Wednesday, 7 October 2015

SYNTHETIC FIBRES AND PLANT

SYNTHETIC FIBRES AND PLANT
SYNTHETIC FIBRES AND PLANT
SYNTHETIC FIBRES AND PLANT

Fill up the blanks :
1. Fibres we get from plant and animals are called ______________.
2. Artificial fibres are commonly called _________________.
3. The simple molecule of molecule in a polymer is called _____________.
4. The polymer of natural fibre cotton is called ______________.
5. The material which can easily be molded is called ________________.
6. The process by which artificial fibres are made from simple fibre is
called _______________.
7. The raw material used for the production of rayon is ______________.
8. ________________ is made by the polymerisatin of amide molecules.
9. Terylene is obtained by the polymerising the molecule of ___________
and _________________.
10. Acrylic fibre is obtained by the polymerisation of molecules of _________________.
11. Koroseal is the trade name of ________________.
12. PVC stands for ________________.
13. PET stands for __________________.
14. _________________ prepared by the polymerization of vinyl chloride
molecules.
15. Two examples of thermoplastic.
16. Two examples thermosetting plastic.
17. The materials which get decomposed through natural process such as
the action of bacteria are called ______________.
18. Name any three synthetic fibres.
19. Write two uses of - RAYON, NYLON, TERYLENE, ACRYLIC FIBRE, KEROSEAL

20. Define Non Biodegradable.


Read more topics......
Reproduction-and-endocrine-system

Reaching-age-of-adolescence

Microorganism

Synthetic-fibres-and-plant

Cell  objective

जैवनाशक (Biocide) और कृन्तकनाशक (Rodenticides) का प्रयोग किसलिए किया जाता है

Nature (Q&A)

Reproduction and Endocrine System (Question-answer)


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