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Question
A polymer is a chain of many small units joined together which are called ______.
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Solution
A polymer is a chain of many small units joined together which are called monomers.
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Fibre
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Chapter 3: Synthetic Fibres and Plastics - Short Answer Questions [Page 15]
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RELATED QUESTIONS
Give two examples of fibres.
Classify the following fibre as natural or synthetic:
cotton
Animals fibres are ______ and ______.
Match items in List A with the items of list B.
| List A | List B |
| (a) nylon | (i) non-stick coating |
| (b) PET | (ii) electric switches |
| (c) rayon | (iii) parachutes |
| (d) thermosetting plastics | (iv) polyester |
| (e) teflon | (v) artificial silk |
The rearing of silkworms for obtaining silk is called ______.
Selective breeding is a process of ______.
Hair trap a lot of ______, which is a poor ______ of heat.
Explain the phrase – “Unity is Strength” on the basis of the making of fabric from fibre.
Which of the following is not a natural fibre?
Describe the two main processes of making fabric from yarn.
