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