Synthetic fibres and plastics questions
WebMar 25, 2024 · Synthetic Fibres and Plastics Class 8 Extra Questions Very Short Answer Type Question 1. Name a synthetic fibre which is used in making cheap and durable woollen clothes. Answer: Acrylic. Question 2. Give one-word answer for the following : Plastic … WebNov 20, 2024 · It contains question answers of all exercise questions, extra questions of the unit Synthetic Fibres and Plastics in the class 8 NCERT Science book. Therefore you can download and use the NCERT Solutions for Class 8 Science to know all answers key, and learn more for your homework, exam preparation.
Synthetic fibres and plastics questions
Did you know?
WebJun 9, 2024 · (a) Synthetic fibres are also called artificial or man-made fibres. (b) Synthetic fibres are synthesised from raw materials called petrochemicals. (c) Like synthetic fibres, plastic... WebMost of the synthetic fibres are made from compounds that form long polymer strands, e.g., nylon and dacron. A plastic is generally a synthetic polymer that can be melt processed. They can be molded. Polipalli SRINIVASA RAO. 4 y. Natural fibres : fibres from sources …
WebQuestion 1: Explain why some fibres are called synthetic. Answer: Some fibres are called synthetic because they are made by human beings by chemical processing. Such fibre is made up of small units that join together to form long chains. Each small unit is actually a chemical substance. WebMar 25, 2024 · NCERT Exemplar Solutions for Class 8 Science Chapter 3: Synthetic Fibres and Plastic includes all of the chapter's main themes and aids in your CBSE test preparation. These NCERT Exemplar problems and solutions will guarantee that you must have gone over all of the chapter's questions thoroughly. Fabrics are used to make the clothes people …
WebDec 2, 2024 · A Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. Web4. Give three advantages of polythene over natural materials. 5. Explain why plastic containers are favored for storing food? 6. Explain why Electric plugs/switches/plug boards are made of thermosetting plastics? 7. Give examples to show that plastics are noncorrosive in nature. 8.
WebImportant Questions Class 8 Science Chapter 3 – Synthetic Fibres and Plastics Science as a subject plays a vital role in a student’s academic life. Class 8 is one of the stepping stones for the students; therefore, learning the basics of Science and comprehending the theory and concepts introduced in the chapters is essential.
WebOct 4, 2024 · Synthetic Fibres and Plastics Class 8 Science NCERT Textbook Questions. Question 1. Explain why some fibres are called synthetic. Answer: Some fibres are called synthetic fibres because they are made by man using chemicals. Question 2. Mark ( ) the … myhr peoplesoft mclarenWebQuestion 1: Explain why some fibres are called synthetic. Answer: Some fibres are called synthetic because they are made by human beings by chemical processing. Such fibre is made up of small units that join together to form long chains. Each small unit is actually a … ohio township zoning ordinanceWebExplanation: Plastic is used in the medical industry for the following. 1. Manufacture thread for stitching wounds. 2. Manufacture instruments like gloves and syringes. 3. Packing tablets 9. Which of the following is a synthetic fibre? a) Jute b) Nylon c) Wool d) None of … my hr phoneWebWrite a few characteristics of synthetic fibres. 4. What is 4R principle? 5. What are biodegradable and non-biodegradable materials? 6. What are the disadvantages of plastics? 7. Why is it convenient to store plastic containers than metals? myhr peoplestrong/zippiWebApr 5, 2024 · The synthetic fibers have plenty of important questions that deals with day to day life and are ... myhr peoplesoftWebHIGHER ORDER THINKING SKILLS QUESTIONSSYNTHETIC FIBRES AND PLASTICS. 1. Is nylon fibre so strong, that we can use it to make parachutes? 2. Give some uses of PET. 3. Why is melamine used for making kitchenware? 4. Give three advantages of polythene … myhr peoplestrong/obWebJun 15, 2024 · Question 2. Mark ( ) the correct answer: Rayon is different from synthetic fibers because: (i) It has a silk-like appearance. (ii) It is obtained from wood pulp. (iii) Its fibres can also be woven like those of natural fibres. Answer: (ii) It is obtained from wood pulp. Question 3. myhr phillips medisize