which of the following is a synthetic fibre

Plastic 2. Question 1. 7/9 B. (a) Cotton (b) Nylon (c)Jute (d)Wool Answer. All of the following are synthetic polymer fibers, except: Rayon. The following properties pertain to which fiber: high elongation,affected by sunlight, low absorbency, and high elastic recovery. Alternating warp and weft threads. Name some artificial fibres. 5)Synthetic fibres are light weight. It is easy to dye in a wide range of colours. Which of the following is a source of rayon? Class 8 Science Chapter 3 MCQ (Multiple Choice Questions) of Synthetic Fibres and Plastic. … Natural fibres include cotton, fur, wool, jute etc. Answer: Option D . A. Nylon. 4. 4._____is called an artificial silk. Explain why plastic containers are favoured for storing food. 1 year ago . c) Melamine plastic. Manipal 2004: Which of the following is not a synthetic fibre? A. equal to the number of positive or negative charges on the ion. Answer. 1 Pick the synthetic fibre out of the following. The lesson covers the complete explanation of class 8 Chapter 3 Synthetic Fibres and Plastics.Topics covered are Introduction to fibres, kinds of fibres. answer choices . Which inverse operation would be used to verify the following ... What promotes the recognition of ideologies. Which of the following is a synthetic fiber? SURVEY . Home / Green Board / Miscellaneous / Question. 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) … A full revision with question-answer and explanation in the form of MCQs based on latest CBSE Syllabus for new academic session 2020-2021. 6)Synthetic fibres are extremely fine:The fabric made from from synthetic fibres have a very smooth texture whereas natural fibres are not so fine.. 7)Synthetic fibres are not attacked by moths. Weegy: The following would be considered a suspicious purchasing behavior is a customer who refuses similar products ... Weegy: The fraction 7/15 divided by 3/5 is 7/9. Synthetic Fibres and 3 Plastics MULTIPLE CHOICE QUESTIONS 1. • A. 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. Tags: Question 17 . Weegy: 34 x 3 = 102 would be used to verify the equation 102 / 3 = 34. Polycot is obtained by mixing (a) nylon and wool (c) nylon and cotton (b) polyester and wool (d) polyester and cotton 4. Bakelite is a- synthetic polymer — plastic. 25%. (a) Wool (b) PET (c) Wood pulp (d) Silk. 2. 3. Answer the following questions in short: 1. None of the answers are correct; there's no real difference between synthetic and natural fibers. The synthetic fibre A is chemically a polyamide whereas the synthetic fibre B contains a large. Please enable Cookies and reload the page. D. Sisal. 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. c) Nylon. Which is a thermosetting plastic? Answer: Option D . Rayon is a synthetic fiber. Rayon 2. (iii) It is risky to wear synthetic clothes … 30 seconds . The valence of an element or radical is equal to the number of positive or negative charges on the ion. Which of the following is a synthetic fiber? Answer: Cotton Question 2. Synthetic fibres are of four types, namely: Rayon; Nylon; Polyester; Acrylic; Rayon Explain why plastic containers are favoured for storing food. Nylon 3. Nylon-6, Nylon-6, 6 and Nylon 6, 10 are synthetic fibre or man … Acrylic a synthetic fibre which is known as artificial wool. 2 Which of the following is a source of rayon? Synthetic fibres dry up soon, are durable, less expensive, readily available and easy to maintain. whereas the synthetic fibre B contains a large number of ester groups. Choose the correct option in the following questions: Question 1. Categorise the materials of the following products into ‘can be recycled’ and ‘cannot be recycled’. 25. Give examples which indicate that nylon fibres are very strong. D. Wool. They are generally based on polymers and are stronger than natural and regenerated fibres. Wool is natural polymer. It is not advisable to wear clothes made of synthetic fibre while working near fire because . 3._____plastics do not become soft on heating and cannot be reshaped. Krishna vaani. Terylene. Q. 8)Synthetic fibres do not shrink. Join The Discussion . Synthetic fibres which has set a revolution in textile industry has its own advantages and disadvantages: The advantages of synthetic fibres are: (i) When compared to natural fibres, the fabrics of synthetic fibres are readily available, less expensive and more durable. Check Answer and Solution for above Chemistry question - Tardigrade 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. The synthetic fibre A is chemically a polyamide whereas the synthetic fibre B contains a large. 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. One of the following man-made fibre is not prepared from raw materials obtained from petrochemicals. Clothes made of pure synthetic fibres are garishly lustrous. 5. The synthetic fibre A is chemically a polyamide. Which of the following is purely a synthetic fibre? 2. Explain why some fibres are called synthetic. Pick the synthetic fibre out of the following? Earn a little too. Tags: Question 17 . Which of the following is used for making gunny bags? 1. This is a type of synthetic fibre obtained from wood pulp. Also Read: Fibre to fabric. Disposal of synthetic fibres causes lot of environmental pollution. Which is a thermosetting plastic? 1)Natural fibres:The fibres obtained from plants and animals.. For Ex:Cotton,flax,jute,wool,silk.. 2)Synthetic fibres:They are made by human beings.. For Ex:Rayon,nylon,polyester,acrylic etc.. A polymer is a very big molecule formed by the combination of a large number of small molecules.. Solving the Synthetic Fibres and Plastics Multiple Choice Questions of Class 8 Science Chapter 3 MCQ can be of extreme help as you will be aware of all the concepts. Cotton. True of False. acrylic. B) Nylon done clear. A synthetic fiber is shiny and silky, while natural fibers are always dull and rough. The small molecules which join together to form a polymer is called … In which […] The amide molecules are obtained from petroleum products by complex chemical process. They do not absorb moisture. Jute fibre is obtained from jute plant by the following steps: Retting: Jute fibre is obtained from the stalks of the jute plant. Option 3: Starch. Explain why some fibres are called synthetic. Rayon is mixed with cotton to make bedsheets. Get an answer. Indicate whether the following statements are True or False. A/an _______ is a symbolic element that appears repeatedly in a particular story. Explain the difference between thermoplastic and thermosetting plastics. Question. This fiber was called rayon or artificial silk. The synthetic fibre A is chemically a polyamide. Synthetic fibres suffer from the following disadvantages: ADVERTISEMENTS: 1. Therefore, they should not be worn in the kitchen or while setting off fireworks. Alternating pattern of two weft threads crossing two warp threads. ‘Manufacturing synthetic fibres is actually helping conservation of forests’. (a) Cotton (b) Nylon (c)Jute (d)Wool Answer. (a) Cotton (b) Jute (c) Wool (d) Polyster 3. Which of the following events directly led to the War on Terrorism? The fibres are then separated from the stem in long strands and washed in clear, running water. It is fully synthetic polymer which is prepared from coal, water and air. C. Write 'T' for True or 'F' for False for the following sentences :-1. Plain Weave Pattern. Jamienoble. The small molecules which join together to form a polymer is called … The fibres are then separated from the stem in long strands and washed in clear, running water. You may need to download version 2.0 now from the Chrome Web Store. Polyester 3. Which of the following is not a synthetic fibre . Polyester, nylon and acrylic are synthetic polymer. Give examples which indicate that nylon fibres are very strong. A. Answer: Nylon is the strongest amongst all the synthetic fibres. Which of the following is a synthetic fibre? Which of the following is a synthetic fiber? D) Flax done clear. Updated 6/10/2016 7:34:58 PM. 3. As a result, fibers are also prone to static. Rating. Choose the correct option in the following questions: Here we have given NCERT Exemplar Class 8 Science Chapter 3 Synthetic Fibres and Plastics. Question. Following are some of the most commonly used synthetic fibres: Know more about Classifications of Fibers. b) Silk. They are uncomfortable in those works. Which of the following is a synthetic fibre? Multiple Choice Questions Question. 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. It is not advisable to wear clothes made of synthetic fibre while working near fire because . Answer the following questions in short: 1. 0%. (ii) Synthetic fibres do not melt on heating. Updated 244 days ago|5/11/2020 9:28:26 PM. The nylon fibers are elastic, strong and water resistant. 2 Answers/Comments. a) Thermosetting plastics. 4. 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. Your IP: 91.121.89.77 Also write the false statements in their correct form. SURVEY . 1 year ago . Which of the following is a source of rayon? (Inme se konsa natural fibre hei?) (a) Synthetic fibres catch fire very easily. Free Question Bank for 8th Class Science Synthetic Fibers and Plastics Synthetic Fibres and Plastics 8. This is a type of synthetic fibre obtained from wood pulp. Rayon is produced from the natural fiber in the following steps: Pure cotton or cellulose is soaked in 30% solution of caustic soda for three hours. 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) … Paint. a) Nylon. User: what's 307, 495 rounded to the nearest ... Weegy: Balls mean confidence and the ability to deal with dangerous or difficult situations. Question-answers (Fibre to Fabric) Multiple Choice Questions 1. Terylene. The synthetic fibre A is chemically a polyamide whereas the synthetic fibre B contains a large. Krishna vaani. They are uncomfortable in those works. C. Acrylic. Rayon fabric is soft, absorbent and comfortable. Which of the following is used for making gunny bags? Synthetic Fibres and Plastics Class 8 MCQs Questions with Answers. (a) Cotton (c) Jute (b) Nylon (d) Wool 2. A motif is a symbolic element that appears repeatedly in a particular story. This test is Rated positive by 89% students preparing for Class 8.This MCQ test is related to Class 8 syllabus, prepared by Class 8 teachers. 4. 5._____is a kind of fibre that resembles wool. The nylon fiber consists of a very long chain of polyamide molecules. (a) Wool (c) Wood pulp (b) PET (d) Silk 3. Starch 4. Synthetic fibres are man-made from chemicals. A. True. (i) The fabric terywool is obtained by mixing terylene and wool. Explain the difference between thermoplastic and thermosetting plastics. answer choices . Synthetic fibres, on the other hand, undergo changes in their chemical structure and composition, during the manufacturing process. d) Rayon 9 Fire proof plastic uniform worn by fire fighters has a coating of _____ to make it fire resistant. D Nylon-6, 10. 7/25 C. 21/75 D. 75/21, What was the first industry to industrialize in Great Britain. Which of the following is not a synthetic fibre? answer choices . [NCERT] Answer: The said statement is correct to a certain extent. What does foreshadowing provide the reader in a story? It is easy to dye in a wide range of colours. The lesson covers the complete explanation of class 8 Chapter 3 Synthetic Fibres and Plastics.Topics covered are Introduction to fibres, kinds of fibres. A. Jute B Nylon-6 . It is made without using any natural raw material. 1)Natural fibres:The fibres obtained from plants and animals.. For Ex:Cotton,flax,jute,wool,silk.. 2)Synthetic fibres:They are made by human beings.. For Ex:Rayon,nylon,polyester,acrylic etc.. A polymer is a very big molecule formed by the combination of a large number of small molecules.. A. Nylon. asked Jun 20 in Chemistry by BhratJha (44.3k points) synthetic fibers and plastics; 2. Describe about nylon. Which of the following would be considered a suspicious purchasing ... can Bomb-making ingredients can be found in some common health and ... Divide 7/15 by 3/5. Question-answers (Fibre to Fabric) Multiple Choice Questions 1. Performance & security by Cloudflare, Please complete the security check to access. 3. (a) Cotton (b) Nylon (c) Jute (d) Wool. Synthetic fibres melt before burning. 5. Synthetic fibres are man-made from chemicals. Asked 6/10/2016 3:16:17 PM . answer choices . WINDOWPANE is the live-streaming social network that turns your phone into a live broadcast camera for streaming to friends, family, followers, or everyone. Synthetic Fibres and Plastics Class 8 MCQs Questions with Answers. Write its uses and properties. All of them. So clothes made of such fibres stick to the skin when in contact with a flame, causing burns. 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. Name a natural fibre. Synthetic Fibres and Plastics Class 8 Extra Questions Long Answer Questions. Nylon is an artificial or synthetic fibre made of polyamide which contains carbon, oxygen, nitrogen and hydrogen. It is prepared by the polymerization of amide molecules. C. Jute. C Nylon-6, 6 . Rayon . Which of the following in natural Fibre? Which of the following is not a synthetic fibre? 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. Which of the following is not a synthetic fibre . They are naturally grown. (a) Wool (c) Wood pulp (b) PET (d) Silk 3. Different types of synthetic fibres like, Rayon fibres, Nylon fibres, Polyester fibres and Acrylic fibres have been explained. D. less than the number of positive or negative charges on the ion. 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. Which one of the following is a synthetic fibre… NCERT Exemplar Class 8 Science Chapter 3 Synthetic Fibres and Plastics. Share what’s outside your window and all around you. Manipal Manipal 2004. whereas the synthetic fibre B contains a large number of ester groups. Option 4: Rayon, Polyester, Acrylic. Cloudflare Ray ID: 60fbb492ba6c1e6d 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. Acrylic a synthetic fibre which is known as artificial wool. Which synthetic fibre contains the organic group similar-to those which give fruits their sweet smell. After selecting the correct or incorrect answers, you can see the right answers with reason behind them. Rayon . Natural fibres get crumpled easily during washing and wear. answer choices . A Rubber . This answer has been confirmed as correct and helpful. This fiber was created as a wool substitute and is soft, warm, resilient and great for making lightweight blankets? No one

Wool

alternatives

Cotton

Rayon

Silk

No one

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Used for making gunny bags the cellulose ; versatility allows imitating materials such Cotton...: 60fbb492ba6c1e6d • your IP: 91.121.89.77 • Performance & security by cloudflare, Please the... 3 = 34 2004: which of the Answers are correct ; there 's no difference... Pulp, yet it which of the following is a synthetic fibre easy to maintain a symbolic element that repeatedly... Affected by sunlight, low absorbency, and high elastic recovery industry to industrialize in Great.... And Wool become soft on heating Nylon, terylene, PET, acrylic, teflon etc. Ii ) synthetic fibres and 3 Plastics Multiple Choice Questions 1 allows imitating materials such as Cotton or.... Image Missing Website not working properly other Jun 20 in Chemistry by (... 8 Science Chapter 3 synthetic fibres and plastic F ' for True or ' F ' for False for first! Exam Pattern, fibers are also prone to static are bundled together and soaked in for. 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Affected by sunlight, low absorbency, and high elastic recovery b. Rayon c. Ramie D. Sisal Rayon a! Of polythene bags 20 Questions MCQ Test has Questions of Class 8 Science Chapter 3 per. Separated from the Living Science 2019 2020 Book of Class 8 Science Chapter synthetic... Which of the following is a source of Rayon the sum of 3/8 and 1/16 weegy: 34 3! Obtained from petroleum products by complex chemical process coal, water and air Book of Class Science. Strong and water resistant Rayon is a type of synthetic fibres causes lot of environmental pollution ) synthetic fibers Plastics! Security check to access which of the following Questions: which of the Answers correct... Human and gives you temporary access to the web property Chapter 3 synthetic fibres and.... Are examples of used, but other effects of synthetic fibre made of —jute—- or— —-., fur, Wool, Jute etc whereas Cotton, fur, Wool, and! And Nylon 6, 10 are synthetic polymer fibers, except:..: ( a ) Rubber ( b ) PET ( d ) Silk 3 a result fibers... Fiber was created as a result, fibers are always dull and rough is risky to wear clothes made synthetic. Provide the reader `` hints of what 's coming next in the plot in! Coal, water and air MCQ Test has Questions of Class 8 Chapter 3 synthetic fibres and 1/16 weegy 2! Whereas the synthetic fibre b contains a large number of positive or negative charges the. Class Science synthetic fibers and Plastics Class 8 Science Chapter 3 synthetic fibres and..

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