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प्रश्न
Why is it not advisable to burn plastic and synthetic fabrics?
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उत्तर
Burning of plastics and synthetic fabrics produces lots of poisonous gases causing air pollution. So, it is not advisable to burn plastic and synthetic fibres.
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संबंधित प्रश्न
Very Short Answer Type Questions:
What are the fabrics?
Very Short Answer Type Question:
Are all fibres produced by plants?
Short Answer Type Question:
When we bum nylon, why we do not get the smell of burning paper or burning hair?
Long Answer Type Question:
Describe the process of the formation of yam from cotton wool.
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Indicate whether the following statement is True or False. Also write the false statement in their correct form.
The fabric terywool is obtained by mixing terylene and wool
Silkworms secrete fibre made of ______.
______ and ______ fibres are obtained from animals.
Match the items of Column I with the items given in Column II.
| Column I | Column II | ||
| (a) | Yak wool | (i) | Sheared hair |
| (b) | Angora goats | (ii) | Silkworm |
| (c) | Mulberry leaves | (iii) | Tibet and Ladakh |
| (d) | Scouring | (iv) | Jammu and Kashmir |
Write a caption for the figures given in Figure.
