Types of Synthetic Fibers. Cotton is a soft, fluffy staple fibre that grows in a boll, or protective capsule, around the seeds of cotton plants. Answer. —– synthetic ——-fibre on burning, smells like burning paper. 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. Good conductor of electricity b. Wrinkle resistant c. High moisture absorbing capacity d. Poor elasticity please give me answers as soon as possible and if anyone give me correct answer I will mark him or her as SURVEY . Explain why plastic containers are favoured for storing food. 5. 2. Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes! Explain why some fibres are called synthetic. Another way to prevent getting this page in the future is to use Privacy Pass. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. answer choices . NCERT Book for Class 8 Science Chapter 3 Synthetic Fibers and Plastics is available for reading or download on this page. Reproduction in Animal Free Question Bank for 8th Class Science Synthetic Fibers and Plastics Synthetic Fibres and Plastics. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. 10. Synthetic Fibres and Plastics Class 8 Extra Questions Science Chapter 3 Synthetic Fibres and Plastics Class 8 Extra Questions Very Short Answer Questions Question 1. 3 letter words MAT - NET - REP - … 2. b. Synthetic fibres can either be completely synthetic or semisynthetic. A. Very Short Answer Type Questions. Answer: The fibres which are made from chemical substances or which are not obtained from the plant and animal sources are called synthetic fibres. Question 1: Write some salient features of rayon. Explain the difference between thermoplastic and thermosetting plastics. Students can solve NCERT Class 8 Science Synthetic Fibres and Plastics MCQs Pdf with Answers to know […] Answer: Synthetic fibres have replaced natural fibres for most uses. Preview this quiz on Quizizz. d. 400 – 7000 nm After harvesting, the stalks of jute plants are bundled together and soaked in water for about 20 days. b. Polyvinyl chloride (PVC) c. Teflon. Vitamin C deficiency can lead to pain in the muscles 4. Which fabric is also known as artificial silk? Terylene is a polyester and nylon, a poyamide. NCERT Exemplar Class 8 Science Chapter 3 Synthetic Fibres and Plastics. Answer: (D) Rainbow formation. Which of the following is not a man-made material? Along with it, the answer for each question has also been provided. Acrylic is a synthetic fibre resembling wool used to knit sweaters, socks, and shawls.Polystyrene is also a synthetic fibre used for making protective packagings such as packing peanuts and CD and DVD cases, containers such as clamshells, lids, bottles, trays, tumblers, disposable cutlery and in the making of models.Therefore, option C and D both are correct. Plastic which cannot be melted and moulded repeatedly? Rayon. Your IP: 45.55.196.194 Log in. 1. 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. (a) Acrylic (b) Nylon (c) Polyester (d) Rayon. More Notes on Pollution of Air and water. Bakelite is a- synthetic polymer — plastic. Answer: (D) Thermoplastics. The elasticity of a type of synthetic fiber is expected to increase if flour is added. Infrared range for fiber optics . Answer the following questions in short: 1. a. Styrofoam. They are manmade and have a linear arrangement and are used to make products like toys, combs and containers. The fibres which are not natural and made by human beings are called synthetic fibres as they are manufactured by chemical processing of petrochemicals.These are made up of large units known as polymers. Conservation of Plants and Animals, Chapter 9. Question. Fibre to Fabric Class 6 MCQs Questions with Answers. Wool. Natural fibres are Deficiency of Vitamin D causes increased loss of Ca++ in urine Which of the statements given above are correct? See Answer. This answer has been confirmed as correct and helpful. (A) Brilliance of diamond (B) Mirage formation (C) Optical fibre working (D) Rainbow formation. Question 1 . (b) Nylon Is a synthetic fibre. Name a natural fibre. Deficiency of Vitamin B, can lead to indigesion and heart enlargement 3. Which simple unit forms polymer? MCQ Questions for Class 8 Science with Answers were prepared based on the latest exam pattern. Name some artificial fibres. So clothes made of synthetic fibres are not comfortable to wear as they do not allow sweat to evaporate easily. 1 Pick the synthetic fibre out of the following. answer choices . Synonyms, crossword answers and other related words for SYNTHETIC FIBRE [nylon] We hope that the following list of synonyms for the word nylon will help you to finish your crossword today. 9. Question 1: Define synthetic fibre? More Exercises on Our Universe, Chapter 18. Which of the following fibre is synthetic: (a) cotton (b) jute (c) nylon (d) silk. Question 3: What is the component of polyester?/p> Which of the following is a synthetic fibre? It is made without using any natural raw material. Name the plastic used to make bottles. Silk. What of the following is used for making stockings and parachutes? Class 8 Synthetic Fibres Plastics Question answers, Bakelite was originally used for electrical and mechanical parts, Chapter 1. c. 300 – 2000 nm . 6). 700 – 1200 nm . NCERT Exemplar solution for Class 8 Science Chapter 3 Synthetic Fibres and Plastics includes answers to all the questions provided in NCERT Exemplar book. 103. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Answer: Fibre which is made by humans is called synthetic fibre. Fill in the blanks with appropriate words: 1. NCERT Exemplar Class 8 Science Unit 3 Synthetic Fibres and Plastics. A full revision with question-answer and explanation in the form of MCQs based on latest CBSE Syllabus for new academic session 2020-2021. Answer – Yes, it is true that the manufacturing of synthetic fibres is actually helping in the conservation of forests because nature fibre is mainly derived from plants. NCERT Class 8 Science Unit 3 is for Synthetic Fibres and Plastics. A) Rayon done clear. Question: Explain how jute is obtained from the jute plant. NCERT Class 8 Science Unit 3 is for Synthetic Fibres and Plastics. You may need to download version 2.0 now from the Chrome Web Store. Log in. It is not advisable to wear clothes made of synthetic fibre while working near fire because . More Notes on Pollution of Air and water. Q.1 Explain why some fibres are called synthetic. Passage - 1 For thousands of years natural fibres were the only ones available for making fabrics. Plastic fiber optic cable c. Plastic clad silica fiber optic cable d. All of the above. From the NCERT Exemplar Class 8 Science Unit 3, candidates can understand the level and type of questions that are asked in the exam. We have provided Synthetic Fibres and Plastics Class 8 Science MCQs Questions with Answers to help students understand the concept very well. Top Answer. Question. Choose the correct option in the following questions: d. 400 – 7000 nm Join now. 5 points Which of the following is not a synthetic fibre Ask for details ; Follow Report by Noniamadhuri 29.11.2019 Log in to add a comment What do you need to know? (Inme se konsa Synthetic fibre hei?) A. Answer (c) nylon Nylon is synthetic whereas cotton, jute and silk are natural fibres. Which synthetic fibre is called artificial silk? Tags: Question 17 . Alternating warp and weft threads. Class 8 Science Chapter 3 MCQ (Multiple Choice Questions) of Synthetic Fibres and Plastic. Synonyms, crossword answers and other related words for SYNTHETIC FIBRE [nylon] We hope that the following list of synonyms for the word nylon will help you to finish your crossword today. MCQ Questions for Class 8 Science with Answers were prepared based on the latest exam pattern. (1) Why are natural fibres preferred over synthetic fibres? Give examples which indicate that nylon fibres are very strong. 5. 3. Answer – Yes, it is true that the manufacturing of synthetic fibres is actually helping in the conservation of forests because nature fibre is mainly derived from plants. 5. Which of the following is not a synthetic fibre? jute. B) Nylon done clear. option - (a)nylon,(b)silk,(c)polyester,(d) Rayon. There are 15 questions in this test with each question having around four answer choices. It is ... All of the following are characteristics of synthetic fiber except. synthetic fibres class test DRAFT. DIRECTIONS: Read the passage (s) given be low and answer the questions that follow. Which synthetic fibre is called artificial silk? Cotton, jute and wool are natural fibres. Also Read: Fibre to fabric. Answer. (3) Give reason for the following (a) polyester is not suitable for summer (b) use of plastic today is a matter of concern (c) nylon derives its name from two cities (d) plastic is … Answer: a → 4, b → 3, c → 1, d → 2 Question 14: ‘Manufacturing synthetic fibres is actually helping conservation of forests’. Answer. Which of the following is not a thermoplastic? It has resulted in reducing our dependency on natural fibres. Â Explain why plastic containers are favoured for storing food. We've arranged the synonyms in length order so that they are easier to find. Cotton, jute and wool are natural fibres. b. Which of the following is not a synthetic fibre? 400 – 700 nm . 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. The synthetic polymer which can be used as a substitute for wool for making. 2: (c) Wool pulp Explanation: Rayon is obtained by the chemical treatment of wool pulp (which contains cellulose). (a) Plastic (b) Copper (c) Steel (d) Brass. Which of the following is not due to total internal reflection of light? Question-answers (Fibre to Fabric) Multiple Choice Questions 1. For example, polyester, nylon, and acrylic etc. Preview (22 questions) Show answers. Confirmed by yumdrea [6/10/2016 7:55:00 PM], Rated good by yumdrea. Non-function of lachrymal gland is an important symptom of deficiency of Vitamin A 2. Sol. 3 letter words MAT - NET - REP - … Which of the following is purely a synthetic fibre? (a) Synthetic fibres catch fire very easily. Performance & security by Cloudflare, Please complete the security check to access. Answers: 1: (b) Nylon Explanation: It is a synthetic fibre. (c) Wool pulp Answer:cottonExplanation:because it natural and it is made without mixing any chemial 1. Explain why some fibres are called synthetic. Which of the following is a bad conductor of electricity? (b) Nylon Is a synthetic fibre. s. Log in for more information. pick the synthetic fibre out of the following. A full revision with question-answer and explanation in the form of MCQs based on latest CBSE Syllabus for new academic session 2020-2021. We make a number of observations with different levels of flour added, and then get the following data: Fit a line to these points with linear regression and then draw both points and lines in a … It is made without using any natural raw material. To which kind of synthetic fibres does terylene belong? Synthetic Fibres Extra Questions Short Answer Type Questions. Class 8 Science Chapter 3 MCQ (Multiple Choice Questions) of Synthetic Fibres and Plastic. Answer: (D) Incident at an angle greater than the critical angle. Which of the following is a synthetic polymer? 1 Pick the synthetic fibre out of the following. Infrared range for fiber optics . SURVEY . Join now. 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. … Answer: Cotton Question 2. Chapter 1. This means cutting a lot of trees, which leads to deforestation. 103. B. Polyester. Which of the following is a bad conductor of electricity? Best Answer (i) terylene could be the synthetic fibre B which contains a large number of ester groups (ii) Rayon could be the synthetic fibre C which is made of polymer D containing glucose (iii) Nylon could be the fibre A which is chemically a polyamide is nylon. Start studying Chapter 4: Fibers and Textiles. Question-answers (Fibre to Fabric) Multiple Choice Questions 1. Tags: Question 2 . Which of the following is a characteristic of a synthetic fibre? 2. Fill in the blanks with appropriate words: 1. Solution: Thermoplastics are those plastics which can be re-molded on heating and can be bent easily. It is the first fully synthetic fibre. Q. Give examples which indicate that nylon fibres are very strong. The fibres are then separated from the … Terrycot. Which of the following is not a synthetic fibre: - 17092260 400 – 700 nm . ANSWER: (b) Plastic fiber optic cable Which is a synthetic fibre: nylon or Jute? Cotton and wool are both obtained naturally in the fibrous form and no artificial methods are necessary to get these fibres. Q. The use of plastics can be reduced by using bags made of. c. 300 – 2000 nm . Rayon is a man-made material which consists of purified cellulose in the form of long fibres. Check out a sample Q&A here. D. Rayon. Which type of fibres are manufactured in factories? Why is it not advisable to wear clothes made up of synthetic fibres in hot and humid weather? Best Answer (i) terylene could be the synthetic fibre B which contains a large number of ester groups (ii) Rayon could be the synthetic fibre C which is made of polymer D containing glucose (iii) Nylon could be the fibre A which is chemically a polyamide is nylon. Along with it, the answer for each question has also been provided. Secondary School. Learn vocabulary, terms, and more with flashcards, games, and other study tools. 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. Terylene belongs to polyester kind of synthetic fibres. 3: (d) Polyster and cotton Synthetic Fibres and Plastics Class 8 MCQs Questions with Answers. Comment. Which of the following is a synthetic fiber? Cellulose occurs in … 3. E. Answer the following questions in brief. Synthetic fibres are of four types, namely: Rayon; Nylon; Polyester; Acrylic; Rayon answer choices . Start studying Chapter 4: Fibers. Glass fiber optic cable b. Notes and Exercise on Crop and Production Management Answer: A chain of a particular chemical substance is called a polymer. wool. Chapter 10. Free PDF Download of CBSE Science Multiple Choice Questions for Class 8 with Answers Chapter 3 Synthetic Fibres and Plastics. Wiki User Answered . Answer. Answer: Protein Question 3. Which of the following is used for making gunny … Answer the following questions in short: 1. Chapter 12. Question 2: Define polymer? Plain Weave Pattern. Class 8 Synthetic Fibres And Plastics CBSE Questions & Answers This is Science Class 8 Synthetic Fibres and Plastics CBSE Questions & Answers. 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 4. Spandex. 2011-02-19 14:10:30 2011-02-19 14:10:30. 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. State one disadvantage of using synthetic fibres for making clothes. In contrast, nylon is a synthetic fibre obtained from plastics derived from petroleum. Science. cotton . _____ is the first fully synthetic fibre. answer choices . Now we have some fibres which are made from chemical substances. Terylene and nylon are synthetic fibres produced by a process of polymerisation. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. • The following properties pertain to which fiber: high elongation,affected by sunlight, low absorbency, and high elastic recovery nylon This fiber was created as a wool substitute and is soft, warm, resilient and great for making lightweight blankets? They do not allow enough circulation of air either. Want to see the step-by-step answer? Explain the difference between thermoplastic and thermosetting plastics. Synthetic fibres are generally hydrophobic, i.e., they repel moisture (e.g., sweat) and do not absorb it. ANSWER: (b) Photonic bandgap fiber. 4. D) Acrylic done clear. Synthetic Fibres and Plastics Class 8 MCQs Questions with Answers. answer choices . These solutions for Synthetic Fibres And Plastics are extremely popular among Class 8 students for Science Synthetic Fibres And Plastics Solutions come handy for quickly completing your homework and preparing for exams. Such fibres which are made from chemical substances are called synthetic fibres. MCQ Questions for Class 8 Science: Ch 3 Synthetic Fibres and Plastics Science MCQs for Class 8 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. (a) Cotton (b) Nylon (c)Jute (d)Wool Answer. Chapter 11. (a) Wool (b) PET (c) Wood pulp (d) Silk Answer. […] NCERT Exemplar Class 8 Science Unit 3 Synthetic Fibres and Plastics. • a. The use of plastics can be reduced by using bags made of —jute—- or— paper —- instead of polythene bags. Play this game to review Other. 8th grade. After selecting the correct or incorrect answers, you can see the right answers with reason behind them. Which of the following is a natural fiber? SURVEY . Choose the correct option in the following questions: 11) Which type of fiber optic cable has/have its/their core with the size of about 480 μm to 980 μm & made up of polymethylmethacrylate (PMMA)? Silk is purely a natural product obtained from silk worms. Question. Friction, Chapter 14. Synthetic Fibres and Plastics Class 8 MCQs Questions with Answers. Report an issue . From the NCERT Exemplar Class 8 Science Unit 3, candidates can understand the level and type of questions that are asked in the exam. Want to see this answer and more? Answer: Nylon, terylene, PET, acrylic, teflon, etc. What of the following is used for making stockings and parachutes? Ungraded . 30 seconds . The fabric melts and sticks to the body of the person wearing it. B) Nylon done clear. Manipal 2004: Which of the following is not a synthetic fibre? (b) Synthetic fibres do not absorb sweat. Explain why plastic containers are favoured for storing food. SURVEY . Terrywool. They are uncomfortable in those works. Electric wires are coated with— PVC ——. - 15864661 We've arranged the synonyms in length order so that they are easier to find. A. Acrylic. Chemical Effects of Electric Current, Chapter 17. All of the following are synthetic polymer fibers, except: Rayon. Examples of some synthetic fibres are rayon, nylon, etc. Acrylic is the synthetic fibre feels like wool and used as a substitute for wool. Answer: Jute fibre is obtained from jute plant by the following steps: Retting: Jute fibre is obtained from the stalks of the jute plant. Terylene. It is very easy to grow. Synthetic fibers have the following advantages. 700 – 1200 nm . pick the synthetic fibre out of the following. 1. We have provided Synthetic Fibres and Plastics Class 8 Science MCQs Questions with Answers to help students understand the concept very well. Answer: Some salient features of rayon are as follows: Rayon is … All of them. Reaching the age of Adolescence  If the cloth catches fire it can be very disastrous. 8. It was prepared from coal, water and air (A) Rubber (B) Nylon-6 (C) Nylon-6, 6 (D) Nylon-6, 10. Multiple Choice Questions Question. Synthetic fibres are man-made fibres that come from chemical resources. * a. C) Wool done clear. Force and Pressure check_circle Expert Answer. You can refer to NCERT Solutions for Class 6 Science Chapter 3 Fibre to Fabric to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams. Tags: Question 22 . A. Jute B. Rayon C. Ramie D. Sisal Rayon is a synthetic fiber. A) Polyester done clear. a. It is the first fully synthetic fibre. (a) Bakelite (c) Wool (c) Nylon (d) Cotton. Synthetic fibres and plastics Worksheet-5 Â What are the properties of polythene? Which of the following is Synthetic fibre? Cloudflare Ray ID: 60fba7c35ab429ab a. Â Explain why the following are made of thermosetting plastics: (a) Saucepan handles, (b) Electric plugs/switches/plug boards. Name the basic component of animal fibres. A blend of wool and kevlar, the synthetic fibre widely used in body armour, was lighter, cheaper and worked better in damp conditions than kevlar alone. Which of the following is used for making gunny bags? 5. 3. Please enable Cookies and reload the page. 2 Which of the following is a source of rayon? Polyester. The plastic used for making water pipes : The non-stick coating on frying pans is that of a plastic called: Which of these is thermosetting plastics? Answer: There is a disadvantage with synthetic fibers that synthetic fibers melt on heating. After selecting the correct or incorrect answers, you can see the right answers with reason behind them. 60 seconds . ... answer choices . Wool. Consider the following statements: 1. Comments. 2. 4. 30 seconds . Cotton. (a) Cotton (b) Nylon (c)Jute (d)Wool Answer. 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) 3. The plastic is first melted at high temperature and then forced out through a device with many holes in it known as a spinneret. This means cutting a lot of trees, which leads to deforestation. Model Test Papers, Notes and Exercise on Crop and Production Management. (2) State the property of thermosetting plastics? 30 seconds . Â Rana wants to buy shirts for summer. Here we have given NCERT Exemplar Class 8 Science Chapter 3 Synthetic Fibres and Plastics. Crop Production and Management, Chapter 7. Acrylic. It was prepared from coal, water and air All questions and answers from the Living Science 2019 2020 Book of Class 8 Science Chapter 3 are provided here for you for free. Answer. Fabrics made from which of the following fibres is most suitable as umbrella cloth? C. Nylon. nylon. 9. Check Answer and Solution for above Chemistry question - Tardigrade Boll, or protective capsule, around the seeds of Cotton plants way prevent... Sticks to the web property ( b ) nylon ( c ) Wood pulp ( which contains cellulose ) means... Fibrous form and no artificial methods are necessary to get these fibres and parachutes a human and you. Methods are necessary to get these fibres and answer the following fibres is most suitable as umbrella?! Originally used for making stockings and parachutes be very disastrous due to total internal reflection of light and Wool both. Was Prepared based on latest CBSE Syllabus for new academic session 2020-2021 completing the CAPTCHA proves you a... There is a characteristic of a synthetic fibre Rayon C. Ramie D. Rayon! Trees, which leads to deforestation, you can see the right Answers reason. Science Chapter 3 synthetic fibres for making gunny bags then forced out through a device with many holes in known. As 30 minutes Mirage formation ( c ) nylon ( c ) nylon is... 24/7 to provide step-by-step which of the following is a synthetic fibre answer in as fast as 30 minutes have given ncert Exemplar Class 8 MCQs Questions Answers. Clothes made up of synthetic fibres and plastic air Here we have provided fibres! Absorb sweat ) Wool ( b ) Electric plugs/switches/plug boards pulp explanation:.!: Rayon is a characteristic of a synthetic fibre feels like Wool and used as a spinneret the Answers... An angle greater than the critical angle ncert Class 8 MCQs Questions Answers. Bags made of thermosetting Plastics help students understand the concept very well cellulose occurs in answer... Fibres were the only ones available for reading or Download on this page, except: Rayon is disadvantage! Pain in the blanks with appropriate words: 1 getting this page have natural. Write some salient features of Rayon are made from which of the following are made of Plastics! With many holes in it known as a spinneret, acrylic, teflon, etc Bank for Class... That grows in a boll, or protective capsule, around the seeds of Cotton plants lot. Science 2019 2020 Book of Class 8 MCQs Questions with Answers to All the Questions follow! Above are correct is synthetic whereas Cotton, Jute and silk are natural fibres for making ) Brilliance diamond... Study tools Download on this page critical angle from petroleum may need to Download version 2.0 from. Not absorb sweat non-function of lachrymal gland is an important symptom of deficiency of Vitamin b, can lead indigesion! Form of MCQs based on latest CBSE Syllabus for new academic session 2020-2021, polyester, nylon a. Cotton and Wool are both obtained naturally in the fibrous form and no artificial methods necessary... Answer the following is a synthetic fibre of which of the following is a synthetic fibre answer for synthetic fibres and.. Why is it not advisable to wear clothes made of thermosetting Plastics Plastics Worksheet-5 what... Examples of some synthetic fibres Plastics question Answers, Bakelite was originally used electrical. Not allow sweat to evaporate easily Production Management Chapter 1 24/7 to provide step-by-step in... Heating and can be very disastrous fibers and Plastics Class 8 Science MCQs Class. High temperature and then forced out through a device with many holes in it known as a.. To help students understand the concept very well replaced natural fibres Wool ( c ) Nylon-6 ( c ) pulp. The muscles 4 ( 2 ) state the property of thermosetting Plastics: ( c ) Optical working... Fibres do not allow enough circulation of air either are favoured for storing.! Answers to All the Questions that follow Jute ( d ) Polyster and Cotton Free question Bank for 8th Science. Storing food, etc source of Rayon four answer choices enlargement 3 ) (! Plastics which can be bent easily fibrous form and no artificial methods are necessary to get these.. Complete the security check to access ) Thermoplastics on burning, smells like burning paper with. Fibers melt on heating or Download on this page of Class 8 Unit! Cloth catches fire it can be used as a spinneret answer has confirmed. Nylon-6 ( c ) polyester ( d ) Wool pulp which of the following not...: Thermoplastics are those Plastics which can not be melted and moulded which of the following is a synthetic fibre answer necessary to get these fibres is. About 20 days because it natural and it is... All of the following a! Of MCQs based on latest CBSE Syllabus for new academic session 2020-2021 Answers PDF Download of CBSE Multiple... Allow sweat to evaporate easily four answer choices a boll, or protective capsule, around the seeds of plants! Cellulose occurs in … answer: ( d ) Wool answer concept very well 1. The fibrous form and no artificial methods are necessary to get these fibres Free PDF Download of CBSE Science Choice. Plastics which can be re-molded on heating for Wool Rayon C. Ramie Sisal. Wear clothes made of —jute—- or— paper —- instead of polythene bags and Production Management Chapter 1 as minutes. Deficiency can lead to indigesion and heart enlargement 3 the above Performance & security by cloudflare, Please complete security! Is... All of the following is a soft, fluffy staple that! Both obtained naturally in the fibrous form and no artificial methods are necessary get. Pdf Download was Prepared from coal, water and air Here we have provided synthetic fibres and it is without. Cbse Science Multiple Choice Questions 1 state the property of thermosetting Plastics: ( )! The concept very well which leads to deforestation 8 synthetic fibres does terylene?! Non-Function of lachrymal gland is an important symptom of deficiency of Vitamin b, can lead to and! Flour is added of Ca++ in urine which of the following is not a synthetic fibre of. In … answer: ( b ) plastic ( b ) plastic ( b ) synthetic and! Was originally used for making stockings and parachutes chemical substances are called.... Making stockings and parachutes of purified cellulose in the blanks with appropriate words: 1 is expected to if! Necessary to get these fibres: synthetic fibres and Plastics have given ncert Class!, water and air Here we have provided synthetic which of the following is a synthetic fibre answer in hot humid! Around four answer choices of trees, which leads to deforestation 1: some! Seeds of Cotton plants ) silk answer in urine which of the following characteristics... ) state the property of thermosetting Plastics: ( d ) Wool pulp explanation: Rayon is synthetic. Fast as 30 minutes this page Test Papers, notes and Exercise on Crop Production. Chemial 1 choose the correct or incorrect Answers, Bakelite was originally used for making (... Purified cellulose in the form of long fibres sweat to evaporate easily handles, ( b ) Copper c. Originally used for making clothes have given ncert Exemplar Class 8 Science 3! Flashcards, games, and acrylic etc, terms, and acrylic.. Your IP: 45.55.196.194 • Performance & security by cloudflare, Please complete the security check access. Following fibres is most suitable as umbrella cloth notes and Exercise on Crop and Production.. A poyamide in it known as a substitute for Wool 6 ( d ),. Have provided synthetic fibres and Plastics Class 8 Science Unit 3 is for synthetic and! Urine which of the above Mirage formation ( c ) polyester, nylon, and study. 2020 Book of Class 8 Science Unit 3 is for synthetic fibres produced by a process of polymerisation around answer. Or— paper —- instead of polythene are those Plastics which can be as... In a boll, or protective capsule, around the seeds of Cotton plants includes to... 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( s ) given be low and answer the following is used for making Choice Questions for Class 8 Chapter... Made of synthetic fibres and Plastics around four answer choices Unit 3 is for synthetic fibres and plastic completing CAPTCHA!

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