(d) The term "manufactured fiber" means any fiber derived by a process of manufacture from any substance which, at any point in the manufacturing process, is not a fiber. Furthermore, when a liquid is poured from one vessel to another, it retains its volume (as long as there is no vaporization or change in temperature) but not its shape. A type of fibre obtained naturally from cocoon (4) 6. Cotton, jute, silk, wool, etc., are obtained from natural sources, i.e., animals or plants, Polyester, nylon, rayon, etc., are man-made materials that are used for making clothes. Question 6. Another name for this compound is artificial silk (5) Down 5. Answer: This brings the fibres together to form yarn. Fiber is important for the digestive system and for cardiovascular health. (c) The term "natural fiber" means any fiber that exists as such in the natural state. It can be produced at manufacturing scales ranging from artisan to modern industrial scale.. Leather is used to make a variety of articles, including footwear, automobile seats, clothing, bags, book bindings, fashion accessories, and furniture. The process of making yam from fibres is called spinning. Every part of the cotton plant can be used. The jute bags are used as shopping bags that as well as for storing food grains. The long cotton fibers are used to make cloth, the short fibers can be used in the paper industry. A plastic used for making containers and carry bags (9) 3. Answer: The two uses of rayon are: It is used to make apparels like shirts, blouses, etc. Leather is a durable and flexible material created by tanning animal rawhide and skins. In addition, paper and paperboard provide materials for hundreds of … ... c. the human body does not make cholesterol d. cells use cholesterol to make fiber. These substances are sustainable because they store fossil resources and although they are not yet biodegradable, it is a great advance for science. When a liquid substance is poured into a vessel, it takes the shape of the vessel, and, as long as the substance stays in the liquid state, it will remain inside the vessel. Substance made up of large number of smaller molecules (7) 4. Passage - 3 Material used for making clothes that we wear during line rent seasons is obtained from natural as well asman-made sources. The fibre obtained from wood are used to make paper. The polymer is a chemical substance consisting of large molecules made from many smaller molecules: some polymers, such as nylon, are artificial. Papermaking, formation of a matted or felted sheet, usually of cellulose fibers, from water suspension on a wire screen. There are two main types of fiber, soluble and insoluble. A synthetic fibre classified as polyester (8) 7. List two uses of rayon. Nylon It is family of synthetic polymers and was first produced in 1935; Was the first synthetic fiber produced in mass. The most common raw material is cattle hide. Question: Explain the process of making yam from fibre. Paper is the basic material used for written communication and the dissemination of information. Question 5. Substance used as synthetic wool (7) 2. These are called coconut fibres. Rayon is a man-made fibre which is produced by the chemical processing of wood pulp, i.e., a natural substance. Cotton is a plant that produces fibers, which are used to make clothes and other products, like towels, carpets or sheets.Clothes made out of cotton are especially light and comfortable.. What Cotton is Used For. Answer: Yarns are made up of thin strands called fibres. 1. Sometimes cellulose (the main component of cotton fiber) and pulp of wood are used to make materials such as acetate and rayon (artificial silk). For this compound is artificial silk ( 5 ) Down 5 for science not digest a. protein b. c.! 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