Class 8 Synthetic Fibres Plastics Question answers. c. The small molecules that join together to form a polymer are ⦠4. Synthetic fibres do not absorb_____. Different types of synthetic fibres like, Rayon fibres, Nylon fibres, Polyester fibres and Acrylic fibres ⦠Play this game to review Science. Answer the following questions in short: 1. The portion of the hair containing its scales is: 5._____is a kind of fibre that resembles wool. 5. Jute fibre is obtained from jute plant by the following steps: Retting: Jute fibre is obtained from the stalks of the jute plant. Yak, sheep, camel, goat are the common animals which produce fur on their body which can be obtained and used in the production of wool. Give examples which indicate that nylon fibres are very strong. Chapter 3. None of the answers are correct; there's no real difference between synthetic and natural fibers. In which [â¦] Polyester and nylon are the examples of synthetic fibre⦠(a) Cotton (b) Nylon (c)Jute (d)Wool Answer. A. Wood contains a very less amount of cellulose polymer. Which of the following statements is/are false ? NCERT Exemplar Class 8 Science Chapter 3 Synthetic Fibres and Plastics. The natural fibres which are obtained from these animals are utilised for the production of wool. 1 Pick the synthetic fibre out of the following. After harvesting, the stalks of jute plants are bundled together and soaked in water for about 20 days. Students can get how to tackle different questions easily by solving the Extra Questions for Class 8 Science Question bank on a regular basis. 3._____plastics do not become soft on heating and cannot be reshaped. Which of the following properties should not be examined when comparing two synthetic fibers? Synthetic Fibres and Plastics Class 8 Science Chapter 3 as per NCERT Book used in CBSE and other Schools. Wool is a natural fibre obtained from the body of many animals. NCERT Book for Class 8 Science Chapter 3 Synthetic Fibers and Plastics is available for reading or download on this page. The monomers involved in the synthesis of proteins are: Wood. Explain why plastic containers are favoured for storing food. 2. 2. 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. Multiple Choice Questions Question. Plastics are non bio ⦠Natural Polymer Fibres. 3. A synthetic fiber is shiny and silky, while natural fibers are always dull and rough. Explain why some fibres are called synthetic. Multiple Choice Questions (MCQs) Which of the following is not a man-made material? Natural fibres â fibre forming material is of the natural origin. Explain the difference between thermoplastic and thermosetting plastics. Students who are in Class 8 or preparing for any exam which is based on Class 8 Science can refer NCERT Science Book for their preparation. 2. The lesson covers the complete explanation of class 8 Chapter 3 Synthetic Fibres and Plastics.Topics covered are Introduction to fibres, kinds of fibres. b. Digital NCERT Books Class 8 Science pdf are always handy to use when you do not ⦠Synthetic Fibres & Plastics. Man made fibres are considered under two main headings. C. Write 'T' for True or 'F' for False for the following sentences :-1. Here we have given NCERT Exemplar Class 8 Science Chapter 3 Synthetic Fibres and Plastics. (b) Nylon Is a synthetic fibre. 2. The fibres are then separated from the stem in long strands and washed in clear, running water. (a) Plastic (b) Wood (c) Cement (d) Nylon. Cellulose is the basic component of: The cuticle. The fibres in this category may be classified into the following sub groups. Explain why the following ⦠(a) Cotton (b) Jute (c) Wool (d) Polyster 3. Synthetic fibres â fibre forming material is made from simpler substances. Question-answers (Fibre to Fabric) Multiple Choice Questions 1. 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