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प्रश्न
Hair trap a lot of ______, which is a poor ______ of heat.
रिकाम्या जागा भरा
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उत्तर
Hair trap a lot of air, which is a poor conductor of heat.
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Fibre
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संबंधित प्रश्न
Short Answer Type Question:
What are synthetic fibres?
Classify the following fibre as natural or synthetic:
nylon
Polyester is a natural fibre.
When you place a natural fibre in a flame it ______.
Unscramble the jumbled word given below, related to synthetic material.
Felton
The rearing of silkworms for obtaining silk is called ______.
Explain the phrase – “Unity is Strength” on the basis of the making of fabric from fibre.
Which of these is a natural fiber?
Artificial fibres are stronger than natural fibres.
Which of the following is not a natural fibre?
