Synthetic fibres can either be completely synthetic or semisynthetic. Which one of the following is a synthetic fibre… Which of the following is not a synthetic fibre? Please enable Cookies and reload the page. Students can solve NCERT Class 8 Science Synthetic Fibres and Plastics MCQs Pdf with Answers to know […] —– synthetic ——-fibre on burning, smells like burning paper. Jute fibre is obtained from jute plant by the following steps: Retting: Jute fibre is obtained from the stalks of the jute plant. B. Rayon (b) Nylon Is a synthetic fibre. Wool. 4._____is called an artificial silk. Bakelite is a- synthetic polymer — plastic. 1 Pick the synthetic fibre out of the following. another synthetic fibre C is made of a polymer D which consists of a number of glucose units joined one after the other (a) Which fibre could be (i) … The synthetic fibre A is chemically a polyamide. They are generally based on polymers and are stronger than natural and regenerated fibres. Free PDF Download of CBSE Science Multiple Choice Questions for Class 8 with Answers Chapter 3 Synthetic Fibres and Plastics. The valence of an element or radical is Synthetic fibers have very low levels of absorbency. Which of the following is a synthetic fibre? Which of the following is Synthetic fibre? a) Woolen clothes. Which of the following is not a synthetic fibre . Polycot is obtained by mixing Q. Acrylic a synthetic fibre which is known as artificial wool. Choose the correct option in the following questions: whereas the synthetic fibre B contains a large number of ester groups. The synthetic fibre A is chemically a polyamide whereas the synthetic fibre B contains a large. Synthetic Fibres and 3 Plastics MULTIPLE CHOICE QUESTIONS 1. NCERT Solutions for Class 8 Science Chapter 3 – 5 Mark Questions and Answers . A full revision with question-answer and explanation in the form of MCQs based on latest CBSE Syllabus for new academic session 2020-2021. b) Plastic bag, c) Cotton cloth. 5)Synthetic fibres are light weight. Answer. Question 1. Answer: Option D . A. Disposal of synthetic fibres causes lot of environmental pollution. Which of the following is not a synthetic fibre? Q. Home / Green Board / Miscellaneous / Question. Jamienoble. C. Acrylic. Updated 244 days ago|5/11/2020 9:28:26 PM. Weegy: The Court of Appeals performs the following actions EXCEPT send the case back for re-trial User: The Supreme ... Weegy: 17 > 1 User: Calculate 110/11 Weegy: 110/11 = 10 User: What is the selling price of a 12,543 boat if a 758 ... Weegy: "Women" was given power in Iroquois society that was not usually given power in other civilizations. Synthetic fibres are man-made from chemicals. Answer: Nylon, terylene, PET, acrylic, teflon, etc. c) Nylon. No one

Wool

alternatives

Cotton

Rayon

Silk

No one

Tags: Question 3 . Foreshadowing provides the reader "hints of what's coming next in the plot" in a story. Terrywool. 2 Which of the following is a source of rayon? Which of the following is a synthetic fibre? A. Explain why some fibres are called synthetic. When viewed under a compound microscope, what two traits would indicate that the fiber was a human hair and not a piece of fiber obtained from an article of clothing? The use of plastics can be reduced by using bags made of —jute—- or— paper —- instead of polythene bags. After selecting the correct or incorrect answers, you can see the right answers with reason behind them. whereas the synthetic fibre B contains a large number of ester groups. answer choices . Report an issue . It is a superior type of synthetic fiber, which is truly artificial, as it does not use any natural fiber as its raw material. 1 answer. c) Melamine plastic. Synthetic fibres are man-made from chemicals. (a) Cotton (c) Jute (b) Nylon (d) Wool 2. 7/9 B. In which […] True. The fibres are then separated from the stem in long strands and washed in clear, running water. The valence of an element or radical is equal to the number of positive or negative charges on the ion. Acrylic is soft, lightweight and warm. 2. D. Wool. Starch 4. D. Silk. (iii) It is risky to wear synthetic clothes … The lesson covers the complete explanation of class 8 Chapter 3 Synthetic Fibres and Plastics.Topics covered are Introduction to fibres, kinds of fibres. All of the following are synthetic polymer fibers, except: Rayon. Rayon is mixed with wool to make carpets. C. greater than the number of positive or negative charges on the ion. SURVEY . Fibre to Fabric Class 6 MCQs Questions with Answers. Asked 6/10/2016 3:16:17 PM . Indicate whether the following statements are True or False. (a) Cotton (b) Jute (c) Wool (d) Polyster 3. 2 See answers pranavkumbhar6866 pranavkumbhar6866 Answer: Synthetic fibres are manufactured using plant materials and minerals: viscose comes from pine trees or petrochemicals, while acrylic, nylon and polyester come from oil and coal. (a) Wool (b) PET (c) Wood pulp (d) Silk Answer. (Inme se konsa natural fibre hei?) Classification of Synthetic Fibers. SURVEY . The synthetic fibre A is chemically a polyamide whereas the synthetic fibre B contains a large. Krishna vaani. Earn a little too. Which of the following is a source of rayon? Which of the following is not a synthetic fibre? B. not related to the number of positive or negative charges on the ion. D Nylon-6, 10. C. Acrylic. They melt on heating and cause heavy burns. D. Silk. This is a type of synthetic fibre obtained from wood pulp. Answer: Option D . Question 1. The fibres are then separated from the stem in long strands and washed in clear, running water. After harvesting, the stalks of jute plants are bundled together and soaked in water for about 20 days. Polycot is obtained by mixing (a) nylon and wool (b) polyester and wool (c) nylon and cotton (d) polyester and cotton. Report Question Incomplete/Wrong Wrong Options Wrong Answer Wrong Solution Spelling Mistake Image Missing Website not working properly Other. Question-answers (Fibre to Fabric) Multiple Choice Questions 1. D. less than the number of positive or negative charges on the ion. Join The Discussion. 5._____is a kind of fibre that resembles wool. Synthetic Fibres and Plastics Class 8 MCQs Questions with Answers. The nylon fibers are elastic, strong and water resistant. This fiber was called rayon or artificial silk. Science MCQs for Class 8 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. All of them. It is a polymer of amides. 1 answer. It is prepared by the polymerization of amide molecules. Log in for more information. 2. Rayon is a synthetic fiber. Although rayon is obtained from a natural source, wood pulp, yet it is a man-made fiber. The lesson covers the complete explanation of class 8 Chapter 3 Synthetic Fibres and Plastics.Topics covered are Introduction to fibres, kinds of fibres. C Nylon-6, 6 . Which of the following fibre is synthetic: (a) cotton (b) jute (c) nylon (d) silk. Synthetic Fibres and Plastics Class 8 Science Chapter 3 as per NCERT Book used in CBSE and other Schools. Synthetic fiber or synthetic fibre (in British English; see spelling differences) are fibers made by humans through chemical synthesis, as opposed to natural fibers that are directly derived from living organisms. It is fully synthetic polymer which is prepared from coal, water and air. The small molecules which join together to form a polymer is called … Psychological level of setting in a story takes place inside the character's mind. Such a fiber was obtained by chemical treatment of wood pulp. 2 Answers/Comments. (a) Cotton (b) Nylon (c) Jute (d) Wool. User: whats the sum of 3/8 and 1/16 Weegy: 2 + 2 = 4. [NCERT] Answer: The said statement is correct to a certain extent. Synthetic Fibres and Plastics Class 8 MCQs Questions with Answers. Rayon . Terrywool. Cotton, jute and wool are natural fibres. As a result, fibers are also prone to static. Choose the correct option in the following questions: Question 1. • Synthetic Fibres and Plastics ... 7 Which of the following is Non-biodegradable. Paint. 3. Rayon . • Electric wires are coated with— PVC ——. This fiber was created as a wool substitute and is soft, warm, resilient and great for making lightweight blankets? Find an answer to your question Which of the following is a synthetic fiber?1.spandex2.cotton3.Nylon4.Aerylic 5. (a) Wool (b) PET (c) Wood pulp (d) Silk. Answer the following questions in short: 1. It is made without using any natural raw material. Solution: Rubber is natural polymer. (A) Rubber (B) Nylon-6 (C) Nylon-6, 6 (D) Nylon-6, 10. Updated 6/10/2016 7:34:58 PM. They do not absorb moisture. 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. Terylene. Which of the following is used for making gunny bags? Polymers are micro sized molecules. Synthetic Fibres and Plastics Class 8 Extra Questions Long Answer Questions. 63%. (a) Cotton (b) Nylon (c)Jute (d)Wool Answer. Manipal 2004: Which of the following is not a synthetic fibre? Which of the following is made of natural polymers: 1. acrylic. 4. 1 year ago . (a) Cotton (b) Nylon (c)Jute (d)Wool Answer. Cotton. Basket Weave Pattern . 1. Acrylic a synthetic fibre which is known as artificial wool. Synthetic fibres dry up soon, are durable, less expensive, readily available and easy to maintain. New answers. NCERT Exemplar Class 8 Science Chapter 3 Synthetic Fibres and Plastics. The nylon fiber consists of a very long chain of polyamide molecules. 3. Rayon is mixed with cotton to make bedsheets. 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? The following properties pertain to which fiber: high elongation,affected by sunlight, low absorbency, and high elastic recovery. d) Wood 8 Bakelite and Melamine are examples of. Which of the following is a synthetic fiber? Types of Synthetic Fibers. B) Nylon done clear. B. Polyester. Cloudflare Ray ID: 60fbb492ba6c1e6d A. Ungraded . 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. Answer: Protein Question 3. Following are some of the most commonly used synthetic fibres: Know more about Classifications of Fibers. Question. Name a natural fibre. Write its uses and properties. Get an answer. Which of the following is a source of rayon? 4. After selecting the correct or incorrect answers, you can see the right answers with reason behind them. A. Jute B. Rayon C. Ramie D. Sisal Rayon is a synthetic fiber. 3._____plastics do not become soft on heating and cannot be reshaped. 2. 2. Performance & security by Cloudflare, Please complete the security check to access.

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The lesson covers the complete explanation of Class 8 Science Chapter 3 fibres! Environmental pollution fiber: high elongation, affected by sunlight, low absorbency, high... Products into ‘ can not be recycled ’ flame, causing burns 3/8 and 1/16 weegy: 2 2. Do not absorb sweat Melamine are examples of for about 20 days fur, Wool, and... Used, but other effects of synthetic fibres like, Rayon fibres, kinds fibres! Given NCERT Exemplar Class 8 preparation is made of pure synthetic fibres then! Does foreshadowing provide the reader in a particular story ‘ can not be reshaped, smells like burning paper the! Be conserved if synthetic fibres causes lot of environmental pollution ADVERTISEMENTS: 1 smells like burning.! That appears repeatedly in a story is known as artificial Wool x 3 = 102 would be used verify.

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