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प्रश्न
Classify the following fibre as natural or synthetic:
cotton
विकल्प
natural
synthetic
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उत्तर
natural fibre
संबंधित प्रश्न
Short Answer Type Question:
Explain how jute is obtained from the jute plant.
When you place a natural fibre in a flame it ______.
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
Complete the crossword given below with the help of clues.
Across
- Substance used as synthetic wool. (7)
- A plastic used for making containers and carry bags. (9)
- Substance made up of large number of smaller molecules. (7)
- Another name for this compound is artificial silk. (5)
Down
5. A type of fibre obtained naturally from cocoon. (4)
6. A synthetic fibre classified as polyester. (8)
7. A polymer used for making ropes. (5)
Selective breeding is a process of ______.
Fibres that are made using raw materials from ______ are synthetic fibres.
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?
