Paper is the basic material used for written communication and the dissemination of information. In this process, a mass of cotton wool are drawn out and twisted. Soluble fiber dissolves in water and helps reduce cholesterol. The fibre obtained from wood are used to make paper. Nylon It is family of synthetic polymers and was first produced in 1935; Was the first synthetic fiber produced in mass. Passage - 3 Material used for making clothes that we wear during line rent seasons is obtained from natural as well asman-made sources. The polymer is a chemical substance consisting of large molecules made from many smaller molecules: some polymers, such as nylon, are artificial. 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. Every part of the cotton plant can be used. This brings the fibres together to form yarn. The coconut fibres are used for making ropes and mats.The common name of coconut fibre is coir. Answer: The two uses of rayon are: It is used to make apparels like shirts, blouses, etc. (c) The term "natural fiber" means any fiber that exists as such in the natural state. The jute bags are used as shopping bags that as well as for storing food grains. Fiber is important for the digestive system and for cardiovascular health. A type of fibre obtained naturally from cocoon (4) 6. Answer: These are called coconut fibres. List two uses of rayon. List any two properties of rayon. Question 5. Substance used as synthetic wool (7) 2. Leather is a durable and flexible material created by tanning animal rawhide and skins. ... the prevalence of diabetes in the United States is decreasing. In addition, paper and paperboard provide materials for hundreds of … Rayon is a man-made fibre which is produced by the chemical processing of wood pulp, i.e., a natural substance. The long cotton fibers are used to make cloth, the short fibers can be used in the paper industry. 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. Another name for this compound is artificial silk (5) Down 5. 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. There are two main types of fiber, soluble and insoluble. 1. (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. 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. The process of making yam from fibres is called spinning. Question: Explain the process of making yam from fibre. A synthetic fibre classified as polyester (8) 7. Answer: Yarns are made up of thin strands called fibres. ... c. the human body does not make cholesterol d. cells use cholesterol to make fiber. Proteins and DNA are natural polymers. Papermaking, formation of a matted or felted sheet, usually of cellulose fibers, from water suspension on a wire screen. A plastic used for making containers and carry bags (9) 3. These substances are sustainable because they store fossil resources and although they are not yet biodegradable, it is a great advance for science. 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