Question

II. Fill in the Blanks
Fill in the blanks with suitable word/s.
1. Clothes we wear are made up of thin strands called ____________.
2. Fibres may be natural or ____________.
3. Raw materials for preparation of synthetic fibres are obtained from substances like ____________, ____________ and ____________.
4. ____________ are made up of small repeating units, joined together through bonds in linear pattern.
5. Rayon synthesised for the first time in ____________.
6. Artificial silk is another name of ____________.
7. ____________ fibre is stronger than steel wire of same thickness.
8. ____________ is the property of materials by which they can be moulded into any shape.
9. ____________ is an example of thermosetting plastics.
10. Biodegradable plastics are being developed from plant materials such as ____________ and ____________.
11. Practicing 4R’s, i.e.,____________ ,____________, ____________ and ____________ should be encouraged.
12. A device with holes which is used to make fibres is called ____________.
13. Acrylic resembles ____________.
14. Synthetic fibres do not absorb much ____________.
15. Synthetic fibres ____________ on heating.

Answer 1

Answer:

1)fibre

2)man-made

3)petroleum,oil,plastic

4)polymers

5)COVENTRY ENGLAND

6)rayon

7)Nylon wire

8) plasticity

9)silicone

10) Orange peels and plants

12) hand spindle

13)wool

14) water

15)melt

Explanation:

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