(a) … Chapter 3. New questions in Biology. 30 seconds . C. Write 'T' for True or 'F' for False for the following sentences :-1. (a) Plastic (b) Wood (c) Cement (d) Nylon. This is a type of synthetic fibre obtained from wood pulp. Pick the synthetic fibre out of the following? Which of the following is not a synthetic fibre . Comments. Name some artificial fibres. Which of the following is not a synthetic fibre: - 17092260 Which of the following is a man-made fibre prepared from wood-pulp? 2. SURVEY . A. Which one of the following is a synthetic fibre? asked Jun 20 in Chemistry by BhratJha ( 44.3k points) synthetic fibers and plastics (a) Cotton (b) Nylon (c) Jute (d) Wool. Add your answer and earn points. Which synthetic fibre is known as the artificial silk 1 See answer zehramadani4954 is waiting for your help. whereas the synthetic fibre B contains a large number of ester groups. A. Nylon. Natural fibers are much more sensitive than synthetic blends. Synthetic fibers burn more readily than natural which is a disadvantage of synthetic fibers. Acrylic a synthetic fibre which is known as artificial wool. Pick the synthetic fibre out of the following? 4. answer choices . Which of the following is a synthetic fibre? Q. (a) Cotton (c) Jute (b) Nylon (d) Wool 2. 4. Fibers can be defined as tiny, thread-like strands, which are converted into yarn and the twisted yarn is woven and knitted to produce fabrics. answered Jan 23, 2018 by faiz (303k points) selected Jan 23, 2018 by Golu . Q. All of them. First man-made synthetic fibre is (a) Cotton (b) Nylon (c) Rayon (d) Polyester (b) Nylon. Soln: Answer is (b) Nylon. The first man-made synthetic fibre, nylon, was put into commercial production in 1939 by a team of scientists of the famous chemical company, E.I. Krishna vaani. Following are some of the most commonly used synthetic fibres: Know more about Classifications of Fibers. Which synthetic fibre contains the organic group similar-to those which give fruits their sweet smell. Home / Green Board / Miscellaneous / Question. asahilthakur asahilthakur Answer: Rayon is the synthetic fibre which is known as artificial silk. 2. First synthetic fibre formed from natural material is: (a) Rayon (b) Acrylon (c) Nylon (d) Polyester (a) Rayon. SURVEY . No one

Wool

alternatives

Cotton

Rayon

Silk

No one

Tags: Question 3 . 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. Which of the following takes place when fibres are twisted before being made into yarns or thread? Pick the synthetic fibre out of the following? Which of the following is Synthetic fibre? It is easy to dye in a wide range of colours. Terrycot. 6. Cellulose is a polymer which is made up of a large number of small glucose molecules joined one after the other.The walls of all plants cells are made up of cellulose. Multiple Choice Questions (MCQs) Which of the following is not a man-made material? 3. Answer. (a) Cotton (c) Jute (b) Nylon (d) Wool 2. It is not advisable to wear clothes made of synthetic fibre while working near fire because . The fabric sticks to the body of the person wearing it. asked Jun 20 in Chemistry by BhratJha (44.3k points) synthetic fibers and plastics; class-8; 0 votes. [NCERT] Answer: 9)Synthetic fibres are less expensive and readily available. Click hereto get an answer to your question ️ Which synthetic fibre is the following cloth made up of:- 5. Name the synthetic fibre which resembles wool in its properties. A concise and very accessible book that is also available is Synthetic Fibre Dyeing – Ed. Question 1. Rayon. Which two of the following are biodegradable? Answer: Option D . NCERT Solutions for Class 8 Science Chapter 3 – 1 Mark Questions and Answers. (a) Wool (b) PET (c) Wood pulp (d) Silk. Terylene. Classification of Synthetic Fibers. Fibre to fabric is the process of converting the extracted fibres, either from plants, or animals, or synthetic into different forms of clothes for human use. Synthetic fibres are man-made. Nylon is also called an artificial silk. Richa Singla. Read formulas, definitions, laws from Introduction and Classification of Fibers here. It resembles and feels like wool. Answer (b)cotton Cotton is natural polymer whereas rayon, polyester and polythene are synthetic polymers. Explanation: Cotton and Jute are from plant sources, Wool is of animal source whereas Nylon is a synthetic fibre. Class 8 Synthetic Fibres Plastics Question answers. Dupont de Nemours. Follow 8. Home Tutor. Chris Hawkyard, publisher SDC. Neel . When both the fibres were spread in the sun, it was observed that synthetic fibre took less time to dry than natural fibre. 8. Wool. Which of the following is a source of rayon? … Synthetic Fibres vs Natural Fibres. […] 0 votes . Report an issue . Which of the following is not a synthetic fibre? 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. Fibre to Fabric Class 6 MCQs Questions with Answers. Therefore, one should avoid acrylic clothes while in the kitchen or a laboratory. 1. B. Polyester. 8)Synthetic fibres do not shrink. Terrywool. ... Tomato leaves, aluminium wire, synthetic fibre and wool. 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) … Disadvantage of synthetic fibres. Synthetic Fibres & Plastics. Acrylic is soft, lightweight and warm. C. Acrylic. Question-answers (Fibre to Fabric) Multiple Choice Questions 1. 03/05/2016. 1)They melt on heating:If a person is wearing clothes made of synthetic fibres and his clothes catch fire accidentally,then the Synthetic fibres of clothes melt and stick to the body of the person causing severe burns. Which synthetic fibre is called artificial silk? 2. (a) Wool (c) Wood pulp (b) PET (d) Silk 3. The synthetic fibre A is chemically a polyamide. Ungraded . Synthetic fibers are more durable than most natural fibers and they readily pick-up different dyes. Tags: Question 17 . Join The Discussion. (a) … Which of the following materials is the best for making garments and jackets that can be used in wet or … Anyone starting the course should have access to the following books which provide both an introduction to the course and provide depth to the topics taught in single volumes. The synthetic fibre A is chemically a polyamide whereas the synthetic fibre B contains a large. our environment; class-10; Share It On Facebook Twitter Email. 1 answer. Polymers are micro sized molecules. Explain why plastic containers are favoured for storing food. 5. Dislike Bookmark. (Inme se konsa Synthetic fibre hei?) 3. … Answer: Nylon, terylene, PET, acrylic, teflon, etc. answer choices . Explain why some fibres are called synthetic. acrylic fibre . 1 year ago . 30 seconds . Choose the correct option in the following questions: Question 1. Explain the difference between thermoplastic and thermosetting plastics. 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. They are non-biodegradable whereas natural fibers are easily degradable. Explain why some fibres are called synthetic. However, synthetic fibre melt on heating. Click here to learn the concepts of Classification of Fibres- Natural and Synthetic Fibre from Chemistry Rayon fabric is soft, absorbent and comfortable. 5. Cotton fibre is made of a natural polymer called cellulose. Name a natural fibre. Which of the following fibre is natural polymer: (a) rayon (b) cotton (c) polyester (d) polythene. 1 Answer. Nylon derives its name from the first letter of ‘New York’ and first three letters of ‘London’, the two cities where it was simultaneously developed and marked. Synthetic Fibres and Plastics M ULTIPLE C HOICE Q UESTIONS 1. 15 Answers. Men made polymers are known as synthetic polymers. Asked by Anita 23/03/2016 Last Modified 15/08/2018. Answer: Cotton Question 2. 2)Synthetic polymer:Nylon,polyester,acrylic,poly ethene,polyvinylchloride,bakelite,melamine. Which of the following is used for making gunny bags? D. Silk. 5._____is a kind of fibre that resembles wool. Give examples which indicate that nylon fibres are very strong. Answer the following questions in short: 1. Rayon . Tuition/Class VI-VIII Tuition . Answer: Protein Question 3. Name the basic component of animal fibres. If they catch fire, it could be really dangerous. Which of the following is a source of rayon? They are uncomfortable in those works. Which of the following is a source of rayon? answer choices . Silk. Please enter your answer. Cotton. Click hereto get an answer to your question ️ Which of the following is not a synthetic fibre? Thus, natural fibre absorbs more water as compared to synthetic fibre. Synthetic Fibres and 3 Plastics MULTIPLE CHOICE QUESTIONS 1. Plastics are non bio-degradable.

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