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Students can solve NCERT Class 8 Science Synthetic Fibres and Plastics MCQs Pdf with Answers to know their preparation level. Question 6. (b) Synthetic fibres do not absorb sweat. Statement incorrect for synthetic fibres is/are: 10. Science Class 8– Chapter 3- Synthetic Fibres and Plastics- NCERT Exercise Solutions (Question-Answer) provided below. What is one way that synthetic materials can be made? Synthetic fibres and Plastics online test Class 8 Get link; Facebook; Twitter; Pinterest; Email; Other Apps; November 09, 2020 Answer. Synthetic Fibres and Plastics Class 8 Extra Questions Long Answer Questions. (a) molecules. 68% average accuracy. (c) rayon (c) nylon The chain formed is called as polymer. Edit. (a) polyester Ans:b. Acrylic, polyethylene and polystyrene are thermoplastic. (i) Synthetic fibres are made of small units of chemicals joined together in the form of large chain. (d) none of these. Answer. Plastic is environmental friendly. (c) polystyrene Question 3. Synthetic Fibres and Plastics Class 8 Extra Questions Very Short Answer Type. Synthetic Fibres and Plastics Class 8 Science NCERT Textbook Questions. (d) polyester and wool. by anand. (c) hining (a) cellulose Cotton is a natural polymer. When small units of chemicals join together in a large chain then synthetic fibres are formed. Polyester is a synthetic fibrous material. (c) nylon Question 8. Synthetic fibres are made by …………. Which of the following materials is the best for making garments and jackets that can be used in wet or damp environment? Contact us on below numbers. Wire made from which fibre is strongest: (b) it is obtained from wood pulp. Give one-word answer for the following : Plastic which gets deformed easily on heating and can be easily bent. Synthetic fibres are made by . Question 9. Question 28. Edit. (a) glucose (b) nylon b. rainy season . (d) polyester and wool. (c) rayon (c) polyester The fibres which are not natural and made by human beings are called synthetic fibres as they are manufactured by chemical processing of petrochemicals. (b) polyester and cotton (a) rayon Nylon was prepared from ……………………., ………………… and ……………………, Question 11. (a) nylon and wool. (a)Thermoplastics (b)Thermosetting (c)Synthetic plastics (d)None of these 3.Name the plastic which is used for making switch, floor and tiles. (d) wood Plastics are durable, light and non-reactive. Which of these fibres is made from raw material obtained from plants: Plastics are non-biodegradable. Question 1. Nylon. Teflon. 4. (c) artificial nylon 4 years ago. (d) melamine. Explain why some fibres are called synthetic. These are made up of large units known as polymers. Write its uses and properties. (a) nylon Question 1. (d) ball point pens. Question 1. Chapter 3 Synthetic fibres and plastics, quizzes and videos of class 8 mapped with full CBSE Class 8 syllabus LearnFatafat class 8 online and offline course 10 months ago. Question 18. ………………… is used for making ploythene bags. When plastics are burnt they release: 16. Question 18. (a) strong Education Franchise × Contact Us. (b) non-corrosive 13. NCERT Solutions for Class 8 Science Chapter 3 Synthetic Fibres and Plastics are prepared by subject professionals and it includes solutions to all the questions present in the NCERT Class 8 Science textbook. Question 24. (d) polyester. Which of the following once set do not soften on heating: (b) nylon Which of the following is a thermosetting plastic ? Q.2 … Wool is obtained from hair of an animal (sheep). Synthetic fibres are: (a) Plastics are poor conductors of heat. (d) nylon. Free PDF Download - Best collection of CBSE topper Notes, Important Questions, Sample papers and NCERT Solutions for CBSE Class 8 Science Synthetic Fibres and Plastics. Nylon is synthetic whereas cotton, jute and silk are natural fibres. (c) rubber The purest natural form of cellulose is :- a. rayon . List the different types of fibres in following table – Answer: Page No 28. Answer : There are some fibres that are prepared by man by using chemicals. (iv) simple chemical molecules made of single unit. It was made in 1931 for the first time. The entire NCERT textbook questions have been solved by best teachers for you. The solved questions answers in this Test: Synthetic Fibres And Plastics - 3 quiz give you a good mix of easy questions and tough questions. Answer: Cellulose. The chain formed is called as polymer. Correct Option is … Question 1. 24. (c) cotton Question 4. (b) cotton Describe about nylon. (c) plastic covering on electric wires Question 15. Synthetic Fibres; Synthetic fibres are man-made. d. summers . (d) wool. Academic Partner. 2. Which of the following is not biodegradable: Ans:d. 3. Synthetic Fibres and Plastics Class 8 MCQs Questions with Answers. Question 19. Synthetic fibres are synthesised from raw material called …………………. Write its uses and properties. Answer: Some salient features of rayon are as follows: Rayon is similar to silk but is cheaper than silk. All the NCERT solutions are framed in a systematic manner, according to the latest CBSE Class 8 science syllabus (2020-21). ………………… fibre resembles wool. For Enquiry. Fruit peels are biodegradable. Acrylic fibres bums with a sooty flame and shrinks to form black beads. Fill in the blanks with appropriate words: 1. Synthetic Fibres and Plastics Class 8 Extra Questions Long Answer Type. (b) polymers. Explain why some fibres are called synthetic. Name a synthetic fibre which is used in making cheap and durable woollen clothes. (b) polyester and cotton Test , Class 8, Science, CBSE- Synthetic Fibres and Plastics. Total there are 15 Questions. (c) protein Give examples which indicate that nylon fibres are very strong. A chain of small chemical units combined to form a large single unit is called ____. Plastics are durable, light and non-reactive. Synthetic fibres are strong, durable and shining, Question 3. Plastic covering on electric wire cannot by recycled as it is made up of theremosetting plastics. Question 23. So they are available in all possible shapes and sizes. Question 5. Which of the following is used for making parachutes and stockings: Why plastic items are available in all possible shapes and sizes? (d) nylon. Synthetic Fibres and Plastics Class 8 Extra Questions Higher Order Thinking Skills. The MCQs given in this article are created based on the various concepts covered across this chapter. Answer: Some fibres are called synthetic fibres because they are made by man using chemicals. (c) telephone instruments (a) nylon PET is form of: (c) acrylic (c) polythene Thermoplastic softens on heating and then can be moulded into various shapes. (a) polyester Question 2. (a) rayon RBSE Class 8 Science Synthetic Fibres and Plastics Intext Questions and Answers. Polymer present in plants is cellulose. (a) rayon (b) thermosetting plastic The small units used in making synthetic fibres are: 19. Which of the following set of features belong to thermoplastics ? (b) teflon (a) steel (d) … do not wrinkle easily. Hence, rayon is also called ‘poor man’s silk’. Multiple Choice Questions Question 1: Pick the synthetic fibre out of the following. ………………… has anti-stick property and used as a coating on the surface of frying pan. MCQ Questions for Class 8 Science: Ch 3 Synthetic Fibres and Plastics Abhishek 01 Sept, 2020 MCQ Questions for Class 8 Science: Ch 3 Synthetic Fibres and Plastics If you feel any information regarding CBSE Class 8 Science Synthetic Fibres and Plastics MCQs Multiple Choice Questions with Answers is missing do reach us and we will look into it and add it accordingly. Synthetic Fibres ,Synthetic Fibres and Plastics - Get topics notes, Online test, Video lectures, Doubts and Solutions for CBSE Class 8 on TopperLearning. (b) fruit peels Save. Polymer present in wood is: Question 2. What is its chemical name? A polymer is made up of many repeating units called monomers.Synthetic fibers also known as artificial fiber is a threadlike material do not exist naturally. Flowers. Fabrics are made from fibres obtained from (fabrics un fibres se bnti Hein Jo milte hei-) Synthetic fibres & plastics class 8th. (d) nylon Polycot is a mixture of polyester and cotton. Tuesday 24th November 2020. 3. Edit. (d) nylon. Question 5. Cotton is natural polymer whereas rayon, polyester and polythene are synthetic polymers. (b) thermoplastic Synthetic Fibres Extra Questions Short Answer Type Questions. We have provided Synthetic Fibres and Plastics Class 8 Science MCQs Questions with Answers to help students understand the concept very well. Here comes the role of chapter wise Test of Chapter 3 - Synthetic Fibres and Plastics. Rayon is: Why is it not advisable to wear clothes made up of synthetic fibres in hot and humid weather? (d) none of these. Class 8 Science Synthetic Fibres and Plastics Important MCQs Here are some important multiple choice question for you to revise from Synthetic Fibres and plastics 1. Telephone instruments can be recycled as it is made up of thermoplastics. Explain why plastic containers are favoured for storing food. Students can solve these Synthetic Fibres and Plastics Class 8 MCQs Questions with … Which of the following is obtained from hair of an animal: November 11, 2020 November 10, 2020 by worksheetsbuddy_do87uk. 3. Students are advised to practice the NCERT MCQ Questions for Class 8 Science Chapter 3 Synthetic Fibres and Plastics with Answers Pdf free download is available here. Food hems are stored ¡n plastic containers because they are: This contains 20 Multiple Choice Questions for Class 8 Test: Synthetic Fibres And Plastics - 3 (mcq) to study with solutions a complete question bank. This test is Rated positive by 94% students preparing for Class 8.This MCQ test is related to Class 8 syllabus, prepared by Class 8 teachers. Which of the following is used to make non-stick cookwares: Polywool is a mixture of: Question 17. Questions :- 1.Name the fibres which are made by human beings. Correct Option is : 2. Question 6. Solution : Esters are the chemicals which give fruits their smell. (b) teflon 2. (d) Recover, Question 9. Contact. CBSE Previous Year Question Paper for Class 10, CBSE Previous Year Question Paper for Class 12. (b) teflon Bristles of tooth brush are made from: Examples – nylon, acrylic, rayon, etc. Question 1: Write some salient features of rayon. The 4-R principle is (a) ……………… (b) ……………. The small units used in making synthetic fibres are. (c) terylene EduRev provides you three to four tests for each chapter. mohitgaur088_05446. 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Here you can get Class 8 Important Questions Science based on NCERT Text book for Class VIII. Polywool is a mixture of ………………… and wool. (d) polythene. The NCERT Solutions to the questions after every unit of NCERT textbooks aimed at helping students solving difficult questions.. For a better understanding of … (c) cow-dung Which of the following fibre is synthetic: Get to the point NSO Level 1- Science Olympiad (SOF) Class 8 questions for your exams. Science Important Questions Class 8 are given below. Food items are stored in plastic containers because they are non-corrosive. Preview this quiz on Quizizz. A long chain like molecule consisting of a large number of simple small molecules joined to each other by chemical bonds is called polymer. Rayon clothes are comfortable to wear in:- a. winters . Question 4. Question 8: ___ gives fruits their smell. Question 2. (b)cotton Download CBSE Class 8 Science Synthetic Fibres and Plastics MCQs in pdf, Science chapter wise Multiple Choice Questions free, Chapter 3Synthetic Fibres and Plastics 1 A chain of small chemical units combined to form a large single unit is called ____a) Polymerb) Polyc) Polythene Ans:b. (a) thermosetting plastic Question 16. or own an. _____ is blended with wool for making carpets. These MCQ Questions on Synthetic Fibres and Plastics Class 8 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. (b) fruit peels Polymers are materials with long chain molecules containing thousands of smaller molecules called monomers. 2. A material which is not easily decomposed by natural processes is termed as …………………. (d) nylon Correct Option is : 2. Class 8 Science Synthetic Fibres and Plastics Important MCQs Here are some important multiple choice question for you to revise from Synthetic Fibres and plastics 1. Grade 8 Synthetic Fibres and Plastics Worksheets. Synthetic Fibres and Plastics - Class 8 : NCERT Exercise Questions. Page No 27. Mark ( ) the correct answer. Answer: Nylon is the strongest amongst all the synthetic fibres. 2. Question 1: Write some salient features of rayon. 2. Students who have solved the topic wise CBSE Class 8 Science Chapter 3 Synthetic Fibre Objective Questions with solutions will find it easier to score more marks in the exams. ) telephone instruments telephone instruments can be recycled as it is fully polymer... Marks in your examination ) thermoplastic thermoplastic softens on heating and can be moulded to shape. And cotton ( a ) acrylic ( b ) …………… Choice Questions ) Answers! 3 - synthetic fibres are made from fibres obtained from petroleum the Plastics which when moulded once and be! Polymers by synthesis of monomers of an animal ( sheep ) with water and air property and used a... 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Which give fruits their smell called polymer favoured for storing food clothes comfortable. ) aluminium foil aluminium foil is not easily decomposed by natural processes is termed …………………... ( i ) synthetic fibres and Plastics ) nylon nylon is used in making synthetic and... Or in a laboratory Answers Chapter 3 Class 8 Important Questions on synthetic fibres and Plastics MCQ Multiple! ) quiz on synthetic fibres and plastics for class 8 of these PDF with Answers Chapter 3 - synthetic fibres because ( a ) cotton ( )... A sooty flame and shrinks to form a large number of simple small molecules joined to each other by processing. Silk ’ wool Polywool is a mixture of polyester and wool not natural and made by man chemicals. Glucose cellulose is made from fibres obtained from wood pulp their smell ) wool is...

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