d. 400 – 7000 nm Which of the following is a characteristic of a synthetic fibre? Cloudflare Ray ID: 60fba7c35ab429ab Fabrics made from which of the following fibres is most suitable as umbrella cloth? Q. - 15864661 It is very easy to grow. Natural fibres are Start studying Chapter 4: Fibers. Fill in the blanks with appropriate words: 1. Fibre to Fabric Class 6 MCQs Questions with Answers. Answer the following questions in short: 1. Synthetic Fibres and Plastics Class 8 MCQs Questions with Answers. Wiki User Answered . a. ... answer choices . Â Rana wants to buy shirts for summer. (Inme se konsa Synthetic fibre hei?) Start studying Chapter 4: Fibers and Textiles. * NCERT Exemplar Class 8 Science Unit 3 Synthetic Fibres and Plastics. It is the first fully synthetic fibre. Fibres that are purely synthetic like nylons, polyesters, acrylics are made from chemicals whereas semisynthetic fibres such as rayons are produced with the utilization of natural polymers as raw material. A. A full revision with question-answer and explanation in the form of MCQs based on latest CBSE Syllabus for new academic session 2020-2021. a. … A. Acrylic. a. Chapter 1. Silk is purely a natural product obtained from silk worms. 2. 2. 5. SURVEY . Polyester. Question-answers (Fibre to Fabric) Multiple Choice Questions 1. Which of the following fibre is synthetic: (a) cotton (b) jute (c) nylon (d) silk. It is made without using any natural raw material. 6). Which of the following is not a synthetic fibre? All of the following are characteristics of a synthetic fiber: Formed by combining monomer compounds into polymer molecules Man-made Used in the production of carpet fibers. Question 1: Write some salient features of rayon. Free PDF Download of CBSE Science Multiple Choice Questions for Class 8 with Answers Chapter 3 Synthetic Fibres and Plastics. 2. Which type of fibres are manufactured in factories? After selecting the correct or incorrect answers, you can see the right answers with reason behind them. Which of the following is not a synthetic fibre? Wool. 400 – 700 nm . Answer the following questions in short: 1. Answer:cottonExplanation:because it natural and it is made without mixing any chemial 1. Which of the following is a synthetic polymer? It is very important for the students to get well versed with this NCERT Exemplar as it will aid them in gaining complete knowledge of the concepts included in Class 8 Science Chapter 3 Synthetic Fibres and Plastics. Give examples which indicate that nylon fibres are very strong. From the NCERT Exemplar Class 8 Science Unit 3, candidates can understand the level and type of questions that are asked in the exam. Chapter 12. Answer: The fibres which are made from chemical substances or which are not obtained from the plant and animal sources are called synthetic fibres. The synthetic polymer which can be used as a substitute for wool for making. 3. 4. Explain why plastic containers are favoured for storing food. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. Answer: Some salient features of rayon are as follows: Rayon is … 5. Question 1: Define synthetic fibre? C. Nylon. You can refer to NCERT Solutions for Class 8 Science Chapter 3 Synthetic Fibres and Plastics to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams. 3. 30 seconds . D. Rayon. Answer. Explain why some fibres are called synthetic. MCQ Questions for Class 8 Science: Ch 3 Synthetic Fibres and Plastics Question 1 . 103. Synthetic fibres and plastics Worksheet-5 Â What are the properties of polythene? It was prepared from coal, water and air Class 8 Synthetic Fibres And Plastics CBSE Questions & Answers This is Science Class 8 Synthetic Fibres and Plastics CBSE Questions & Answers.