Higher oder thinking skills
a) Why is jute fibres normally not used to make clothes ?
b) Why is silk rayon and nylon smooth to touch ?
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Answer ( a) Jute is the most important bast fibre and is obtained from plants. Jute fibres are not normally used to make clothes because they are stiff, brittle and coarse. Jute fibres possess low stretchability and elasticity. Thus, they are not suitable for our body
Explanation:
Answer (b)Silk, rayon, nylon and polyester are smooth because they have long plain, fine structure.
(f) Separation of cotton from seeds: (vi) Silk and wool
(d) Compressed bundles of cotton: (iv)
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