1. Explain the process of converting cotton into its fibre.
2. Explain the process of converting jute into its fibre,
3. Write a note on silk cotton fibre. Do you find any similarity in the fruit of silk cotton and cotton?
4. Write a short note on coir, hemp, and flax fibres mentioning their uses. of science
Answers
Answer:
1.The cotton bales are loosened and cleaned. This process is known as carding. The cotton fibres are then converted into rope-like loose strands. The strands are twisted to make yarns.
2.The jute plant is normally harvested at flowering stage. The stems of harvested plants are bundled and immersed in water for 10 to 15 days. The stems rot (the process is called rotting) and fibres are separated by hand. These
fibres are converted into yarns to make fabrics.
3.Silk Cotton - It is a plant fiber from the kapok tree; used for stuffing and insulation. kapok, vegetable silk. cushioning, padding - artifact consisting of soft or resilient material used to fill or give shape or protect or add comfort. plant fiber, plant fibre - fiber derived from plants.
Similarity : Silk is a natural, strong fibre as it has great tensile strength, which allows it to withstand a great deal of pressure. Cotton is also a strong fibre but the strength is largely affected by moisture, as its wet strength is 20percent.
4.Coir or coconut fibre, is a natural fibre extracted from the outer husk of coconut and used in products such as floor mats, doormats, brushes and mattresses.
Hemp, or industrial hemp, is a variety of the Cannabis sativa plant species that is grown specifically for industrial use.
Flax, also known as common flax or linseed, is a flowering plant, Linum usitatissimum, in the family Linaceae.
Explanation:
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