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प्रश्न
Animals fibres are ______ and ______.
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उत्तर
Animals fibres are wool and silk.
संबंधित प्रश्न
Very Short Answer Type Questions:
Name two natural fibres.
Classify the following fibre as natural or synthetic:
nylon
Yarn is made from fibres.
When you place a natural fibre in a flame it ______.
A lady went to the market to buy a blanket. The shopkeeper showed her blankets made of acrylic fibres as well as made of wool. She preferred to buy an acrylic blanket. Can you guess why?
A polymer is a chain of many small units joined together which are called ______.
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 |
Unscramble the jumbled word given below, related to synthetic material.
Felton
Hair trap a lot of ______, which is a poor ______ of heat.
Describe the two main processes of making fabric from yarn.
