NCERT Solutions for Class 8 Science Chapter 3 – 1 Mark Questions and Answers. Uploaded by: CountOtterMaster655. D. Nylon. Natural fibres can be further classified according to their origin into the following three groups: i) Vegetable Fibres: Most of these are cellulose fibres and include cotton, linen, Nylon 6,6. Each cotton fiber is composed of concentric layers. Start studying Chapter 10 Ropes and knots. The English name derives from an Arabic word which began to be used circa 1400. One of the advantages of nylon over rayon is that nylon: A. Answer: Protein Question 3. C. Is a natural fibre. Soluble fiber is found in oats, peas, beans, apples, citrus fruits, carrots, barley and psyllium. 2.Length of the fiber is controlled by man. Teflon. […] Natural fibers are also used in composite materials, much like synthetic or glass fibers. jute is natural fibre. Question from Polymers,jeemain,aipmt,chemistry,cbse,unit5,class12,organic-chemistry,polymers,q19,easy Start studying Chapter 10: Ropes and Knots. Fibre to Fabric Class 6 Extra Questions Science Chapter 3 NCERT Extra Questions for Class 6 Science Chapter 3 Fibre to Fabric Variety in fabrics Question 1. Solution: Polywool is a blend of polyester and wool. They are provided by nature in ready-made form. Fiber is commonly classified as soluble, which dissolves in water, or insoluble, which doesn't dissolve. Natural fibre, any hairlike raw material directly obtainable from an animal, vegetable, or mineral source and convertible into nonwoven fabrics such as felt or paper or, after spinning into yarns, into woven cloth. R 4 Si. a fiber that is two or three times smallwe than a human hair hair is known as. Fibers are often used in the manufacture of other materials. Polyester, jute, wool, nylon, silk, cotton. Learn vocabulary, terms, and more with flashcards, games, and other study tools. NCERT Exemplar Class 6 Science is very important resource for students preparing for VI Board Examination. Cotton fibres. Which of the following is not a natural fibre (a) Silk (b) Jute (c) Coir (d) Rayon. Solution: High elasticity and no wrinkling are the major advantages of nylon over rayon. Is wrinkle free. (c) Fibre C is prepared from a natural raw material. Natural Fiber Synthetic Fiber; 1.All of the natural fiber comes from nature. Natural Polymer Fibres. Question 65. Name the basic component of animal fibres. Which of the following is not a broad classification of the manufactured fiber ... New York. … One who buys unfinished textile fabrics, contracts with outside firms for their finishing, and acts as his or her own selling agent for the finished goods is ... man-made fiber producers spend more on advertising than do natural fiber producers. Polystyrene. It is a traditional fibre used in the textile industry. One of the following man-made fibre is not prepared from raw materials obtained from petrochemicals. The fiber most often is spun into yarn or thread and used to make a soft, breathable textile, which is the most widely used natural-fiber cloth in clothing today. My natural fiber clothing detox When buying clothes, I used to consider the following four points: appearance, comfort, size and price. Name a natural fibre. Answer: (A) Is wrinkle free. Soluble fiber. The strongest engineering materials often incorporate fibers, for example carbon fiber and ultra-high-molecular-weight polyethylene.. Explain why some fibres are called synthetic. Fabric is … Fiber or fibre (from Latin: fibra) is a natural or man-made substance that is significantly longer than it is wide. ... Answer. (d). Fibre crops or plant fibres are also called as the natural fibres as they are obtained naturally and directly from the different sources of plants and their products. What is the difference between fiber and fibre? It can help lower blood cholesterol and glucose levels. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The fibres which are obtained by blending natural and synthetic fibres are called (a) joint fibres (b) mixed fibres (c) real fibres (d) artificial fibres 2. 3.It is found in filament form but sometimes it could be converted into staple or cut length. Answer: Fabric means a woven material, a textile or other material resembling woven cloth. Fibre C is Rayon. true. It is one of the most preferable fibres because cloth … Here we have provided NCERT Exemplar Problems Solutions along with NCERT Exemplar Problems Class 6.. B. Has low elasticity. and do not require fiber formation or reformation are classed as natural fibers. 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