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प्रश्न
Short Answer Type Question:
What are synthetic fibres?
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उत्तर
The fibres which are made from chemical substances or which are not obtained from the plant and animal sources are called synthetic fibres. For example, polyester, nylon, and acrylic, etc.
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संबंधित प्रश्न
Very Short Answer Type Questions:
Name two synthetic fibres.
Classify the following fibre as natural or synthetic:
Jute
Yarn is made from fibres.
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 |
Selective breeding is a process of ______.
Explain the phrase – “Unity is Strength” on the basis of the making of fabric from fibre.
Write various steps for processing fibres into wool.
Which set of substances is not used for making fibres?
Boojho wants to make yarn from fibre at home. Which of the following will he use to carry out the task?
The following is an answer given by Boojho to a question asked by his teacher - “Cotton, wool, silk and jute are classified as natural fibres whereas nylon and polyester are classified as synthetic fibres”.
Can you tell what question the teacher has asked?
