bakelite. Ex-Bakelite Thermoplastics are 1) Linear polymers 2) Soften or melt on heating 3) Molten polymer can be moulded in desired shape Which of the following is an example of a thermosetting polymer? Bakelite is another name of Phenal formaldehyde. 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. with reinforcement base materials such as glass, linen and graphite. An exhaustive E-learning program for the complete preparation of JEE Main.. Take chapter-wise, subject-wise and Complete syllabus mock tests and get in depth analysis of your test.. polyethylene. Synthetic Fibres and Plastics Class 8 MCQs Questions with Answers. Which of the following monomers form biodegradable polymers? Thermosetting polymer composites are made using a laminating process, which binds together resins such as epoxy, silicone, melamine, etc. Bakelite is another name of Phenal formaldehyde. SURVEY . It can't be revised once it is processed. A polymer plastic which cures irreversibly is called a thermosetting plastic. 60 seconds . Thermosetting polymer,bakelite is formed by the reaction of phenol with (a) CH 3 CH 2 CHO (b) CH 3 CHO (c) HCHO (d) HCOOH. Performance & security by Cloudflare, Please complete the security check to access. MCQs Of Polymer chemistry 1. Teflon is a thermoplastic material and is much similar in structure to that of polyethylene but due to the strong C-F bond, its melting point goes high to 326°C. Check Answer and Sol The most common thermosetting resin used today is a polyester resin, followed by vinyl ester, and epoxy. answer choices . Which one of the following is an example of a thermosetting polymer? Sir/ Mam, It does not. The main physical difference is how they respond to high temperatures. On the basis of mode of formation polymers can be classified: ... thermosetting plastics (c) both (a) and (b) (d) neither (a) nor (b) Answer. Answer. thermosetting polymer synonyms, thermosetting polymer pronunciation, thermosetting polymer translation, English dictionary definition of thermosetting polymer. Heat is not necessarily to be applied externally. D) A Cross-Linked Polymer _____ 4. Q. Report an issue . (a) low density polymer (b) polyester (c) high density polymer (d) nylon. PVC. Neoprene rubber are thermoplastic polymers. Which of the following statements is correct about the polymer … 8. Books. 60 seconds . 500+ SHARES. Which of the following is a thermosetting polymer? C) Cellulose . Answer: 1 question Which of the following can be classified only as a thermoplastic polymer? epoxy. Which of the following is an example of thermosetting polymers? - Novolac is linear Text Solution. Ask your question. Thermosetting plastics are prepared from low molecular mass semi-fluid substances. Which one of the following is an example of thermosetting polymer . 3) Thermoplastic 4) Thermosetting polymers 32. Iso-butene. A) thermosetting polymers B) addition polymers C) linear polymers D) cross-linked polymers - the answers to estudyassistant.com 3. polystyrene. polystyrene. MCQ Questions for Class 8 Science with Answers were prepared based on the latest exam pattern. This course will help student to be better prepared and study in the right direction for JEE Main.. Take chapter-wise, subject-wise and Complete syllabus mock tests and get an in-depth analysis of your test.. Which of the following is a biodegradable polymer? homopolymer. (a) Cellulose (b) Polythene (c) Polyvinyl chloride (d) Nylon-6. Which one of the following molecules undergoes polymerisation to form natural rubber? nylons. They are highly cross - linked, hard, infusible and insoluble polymers.They cannot be reused. It is used to make floor tiles, kitchenware and fire resistant fabrics. • MEDIUM. Q. thermosetting polymer synonyms, thermosetting polymer pronunciation, ... * Dynamic Matter LLC: UV curable thermosetting polymer that can be remolded, relax stress, or repurposed following polymerization for use in optical applications and composites to reduce shrinkage and environmental stresses; A thermosetting polymer which is also known as a thermoset or thermosetting plastic is a polymer consisting of cross-linked structure or heavily branched molecules. The chain growth process is usually much slower than the condensation process. Thermosetting plastic can withstand very high temperatures. A. polyethylene B. a linear polymer C. a branched polymer D. a cross-linked polymer A cross-linked polymer is an example of a thermosetting polymer. Which of the following is thermosetting polymer (a) Neoprene (b) PVC (c) Nylon-6,6 (d) Bakelite. Urea-formaldehyde resin Polyvinylchloride Polyester Neoprene Answer : A Related Video. Some common examples are bakelite, urea-formaldelyde resins, etc. Thermoplastic or Thermosetting? answer choices . These cannot be reused. Question 36. The copolymer formed by addition polymerization of styrene and acrylonitrile in the presence of peroxide is : NCERT DC Pandey Sunil Batra HC Verma Pradeep Errorless. terylene. 2-methyl-1, 3-butadiene. 1. Copyright © 2020 Pathfinder Publishing Pvt Ltd. Help me answer: Which of the following is a thermosetting polymer? Tags: It is often generated by the reaction of the resin with a curing agent (catalyst, hardener). Given one example of each. Some common examples are … (A) -(CH2 - --CI big| C = C H - C H2)n- (B) Image B (C) Image C (D) Im The cross-linking process eliminates the risk of the product remelting when heat is applied, making thermosets ideal for high-heat applications such as electronics and appliances. answer choices . Curing is induced by heat or suitable radiation and may be promoted by high pressure, or mixing with a catalyst. The chain growth process is usually much slower than the condensation process. Updated 5/29/2016 2:40:44 PM. Thermoplastics, Thermosetting polymers ______________ is a reaction that causes the growth of a polymer chain. Which of the following are not thermosetting polymers? The terms thermoplastic and thermoset stand for how a material is or can be processed under a changed temperature [1]. THERMOSETTING POLYMER. Choose the correct option in the following questions: A) Starch. Option 1) Option 2) Option 3) Option 4) 500+ LIKES. Answer. A) Polyethylene. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. These polymers which are in the soft solid or viscous state on heating undergo extensive cross-linking in moulds and become irreversibly hard as well as insoluble products. A. Novolac, a condensation polymer of phenol and formaldehyde is a thermosetting polymer. Why does a tightly closed metal lid of a glass bottle can be opened more easily if it is put in hot water for some time? Why does an ordinary electric fan give comfort in summer even though it cannot cool the air? answer choices . - wherein. Melamine and Bakelite are both thermosetting plastics. Tech Companion - A Complete pack to prepare for Engineering admissions, MBBS Companion - For NEET preparation and admission process, QnA - Get answers from students and experts, List of Pharmacy Colleges in India accepting GPAT, Why does a tightly closed metal lid of a glass bottle can be opened more easily if it is put in hot water for some time? J & K CET 2018. AMU 2018: Which of the following is an example of thermosetting polymers? Eg:- Bakellite, Urea, Formaldehyde, Resin, etc . nylons. Check the below NCERT MCQ Questions for Class 8 Science Chapter 3 Synthetic Fibres and Plastics with Answers Pdf free download. Within the class of thermosetting polymers, there are a number of different types of material that each serve unique purposes and applications. Which of the following polymer types is more amenable to recycling? A. polyethylene B. a linear polymer C. a branched polymer D. a cross-linked polymer Which of the following is a thermosetting polymer? Answer: (a) 5. Bakelite is a cross linked polymer which after heating can't be recovered in its original structure. Question. Tags: Tags: Question 17 . Thermoset plastics contain polymers that cross-link together during the curing process to form an irreversible chemical bond. Eg:- Bakellite, Urea, Formaldehyde, Resin, etc . (b). 1 Answer/Comment. 18: Which is used in formation of nylon-66? Neoprene rubber are thermoplastic polymers. Before the thermosetting plastic cures it is malleable Thermoset Curing Process. It can cure because of heating, owing to a chemical reaction, or following irradiation like processing by means of electronic beams. Cloudflare Ray ID: 606d03e9cc0afa64 Bakelite is an example of the thermosetting polymer. A B go O Structure A O Both structures A and B O None of the shown structures is an option O Structure B Answer. Answer: 1 question Which of the following can be classified only as a thermoplastic polymer? (a), (b), (c), and (g). Bakelite is a thermosetting plastic which is a poor conductor of heat and electricity. Which of the folloiwng are characteristics of thermosetting polymers? 8. thermosetting polymer. Thermoplastic materials are made up of polymers linked by intermolecular interactions or Van der Waals forces forming linear or branched structures, e.g., PVC, nylon, polythene. Which of the following is an example of a thermosetting polymer? 19: Which of the following has ester linkage? nylons. Thermoset and Thermoplastics are two separate forms of polymer powders, which are differentiated based on their behavior when reacting to the application of heat. (A) Bakelite (B) PVC (C) Nylon 6 , 6 (D) Buna- S . Melamine is a thermosetting plastic which is resistant to fire and can tolerate heat better than other plastics. Question from Polymers,jeemain,aipmt,chemistry,cbse,unit5,class12,organic-chemistry-polymers,q38,medium Thermosetting Polymers - They are highly cross - linked, hard, infusible and insoluble polymers.They cannot be reused. Thermoplastic. As a leader in reaction injection molding (RIM) and resin transfer molding (RTM), Osborne Industries has the capability to work with a number of different thermosetting plastics: Which of the following polymers are normally thermoplastic (four best answers): (a) acrylics, (b) cellulose acetate, (c) nylon, (d) phenolics, (e) polychloroprene, (f) polyesters, (g) polyethylene, (h) polyisoprene, and (i) polyurethane? A thermosetting polymer , resin or plastic often called as thermoset is a polymer that is irreversibly hardened by curing from soft solid or viscous liquid prepolymer or resin. B) A Liner Polymer. It is used to make electrical switches and handles of utensils. Join now. Sir/ Mam, It does not. Bakelite is a thermosetting plastic which is a poor conductor of heat and electricity. Which one of the following is not a condensation polymer? It … A. Dacron B. Neoprene C. Melamine D. Glyptal 2. Which of the following is a branched polymer? Question 35. As the temperature of an amorphous polymer decreases from the liquid state, the polymer changes from liquid to rubbery. Check Answer and Sol Prior to curing, the reinforcement substrate is dipped into the resin binder in its liquified form. In some cases, however, thermosetting plastics are solid, for example … Which of the following is a branched polymer, having branched chain polysaccharide units ? Tags: Question 18 . This temperature is called which one of the following Ethylene. The chain growth process is usually much slower than the condensation process. epoxy. Curing results in chemical reactions that create extensive cross-linkingbetween polymer chai… • - Step growth, Copolymer. View Answer. addition polymer. It is a thermosetting polymer because it has cross linked structure. 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. Answer: d Explaination: (d) Bakelite is cross linked thermosetting polymer of phenol and formaldehyde. Answer. It is a thermosetting polymer because it … Start studying Material Science Chapter 16. Eg:-  Bakellite, Urea,  Formaldehyde, Resin, etc. (A) Bakelite (B) PVC (C) Nylon 6 , 6 (D) Buna- S . 7. Teflon is a thermoplastic material and is much similar in structure to that of polyethylene but due to the strong C-F bond, its melting point goes high to 326°C. Which one of the following is an example of a thermosetting polymer? s. Log in for more information. answer choices . Which of the following polymer can be formed by using the following monomer unit? Which of the following is a thermosetting polymer? It is used to make electrical switches and handles of utensils. True. 500+ VIEWS. Thermosetting Polymers - They are highly cross - linked, hard, infusible and insoluble polymers.They cannot be reused. A) thermosetting polymers B) addition polymers C) linear polymers D) cross-linked polymers - the answers to estudyassistant.com Another way to prevent getting this page in the future is to use Privacy Pass. Bakelite is an example of thermosetting polymer. 3) Thermoplastic 4) Thermosetting polymers 32. Log in. A. H2O B. NH3 C. 60 seconds . Learn vocabulary, terms, and more with flashcards, games, and other study tools. Which of the following is an example of a thermosetting polymer? True. 9. Which of the following is a biodegradable polymer? Learn vocabulary, terms, and more with flashcards, games, and other study tools. Answer: d Explanation: Phenolic resins falls under the clan of thermosetting polymers and rest are thermoplastic polymers which can be … Define thermosetting polymer. Bakelite is another name of Phenal formaldehyde. 16: Three dimensional molecules with cross links are formed in the case of a _____ 17: Which is not polymer? Which of the following polymer molecular structures is most likely to be for a Thermoset type polymer? These polymers are cross linked or heavily branched molecules, which on heating undergo extensive cross linking in moulds and again become infusible. Substance having ester linkage is. Benefits of Thermoset Resins Question 35. Some common examples are polysiloxanes, bakelite, urea- formaldehyde resins, etc. In this reaction, a relatively small molecule is formed as a result of the polymerization reaction and may involve different monomers as starting or precursor molecules. Which of the following is an example of a synthetic polymer? D) Proteins _____ 5. Log in. A thermosetting polymer, resin, or plastic, often called a thermoset, is a polymer that is irreversibly hardened by curing from a soft solid or viscous liquid prepolymer or resin. This question has multiple correct options. Hence it is a thermosetting polymer. Melamine resists fire and can tolerate heat better than other plastics. Which one of the following is an example of thermosetting polymer? epoxy. NEET Organic Chemistry Polymers questions & solutions with PDF and difficulty level Thermoplastics and thermosetting polymers are types of plastic that undergo different production processes and yield a variety of properties depending on the constituent materials and production method. The thermosetting polymer is bakelite please add as a brainliest answer 1. Which one of the following is an example of a thermosetting polymer? Tags: Question 2 . Answer. Among the following, the weakest inter-particle forces of attraction are present in 1) Thermosetting polymers 2) Thermoplastic polymers 3) Fibres 4) Elastomers 33. Which of the following is a thermosetting polymer? Phenol formaldehyde resin/ Bakellite/ Novolac - - Obtained by the condensation reaction of phenol with formaldehyde. Bakelite is an example of thermosetting polymer. Physics. A. Dacron B. Neoprene C. Melamine D. Glyptal 2. False. Which of the following is an example of a thermosetting polymer? Which compound form linear polymer due to H-bond? Thermosetting resins are popular because uncured and at room temperature, they're in a liquid state, which allows for convenient impregnation of reinforcing fibers such as fiberglass, carbon fiber, or Kevlar. Start studying MTE 271 Exam 4. Semicrystalline thermoplastics are formed above their. Which one of the following is an example of a thermosetting polymer? THERMOSETTING POLYMER. Which of the following plastics do not have cross-links between their polymer chains asked Jun 20 in Chemistry by BhratJha ( 44.3k points) synthetic fibers and plastics Thermosoftening plastics have no cross links between the polymer molecules. Q. Answer. View Answer. Asked 6/28/2014 1:45:27 PM. MEDIUM. Which one of the following is an example of a thermosetting polymer? polyethylene. Which compound form linear polymer … (A) -(CH2 - --CI big| C = C H - C H2)n- (B) Image B (C) Image C (D) Im Which one of the following is an example of a thermosetting polymer? Which one of the following is not a condensation polymer? It is used to … A. Novolac, a condensation polymer of phenol and formaldehyde is a thermosetting polymer. Which of the following is true of thermoplastic polymers? theodoragradea8046 theodoragradea8046 18.03.2019 Chemistry Secondary School Which of the following is an example of thermosetting polymer? The polymers which once hardened can not be soften again are called Thermosetting polymer. Which compound form linear polymer due to H-bond? Tags: Question 2 . Your IP: 185.37.71.44 Thermosetting polymer,bakelite is formed by the reaction of phenol with (a) CH 3 CH 2 CHO (b) CH 3 CHO (c) HCHO (d) HCOOH. Answer. Join now. Eg:- Bakellite, Urea, Formaldehyde, Resin, etc Bakelite is an example of the thermosetting polymer. Styrene. It is a thermosetting  polymer because it has cross linked structure. SURVEY . Which of the following is a thermosetting polymer? Rest all are thermoplastic polymer. Which of the following is a thermosetting polymer? A thermosetting polymer , resin or plastic often called as thermoset is a polymer that is irreversibly hardened by curing from soft solid or viscous liquid prepolymer or resin. These polymers are cross linked or heavily branched molecules, which on heating undergo extensive cross linking in moulds and again become infusible. Glyptal polymer is obtained from glycol by reacting with (a) malonic acid (b) phthalic acid (c) maleic acid (d) terephthalic acid. answer choices . Answer/Explanation. Biology. 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. List of Hospitality & Tourism Colleges in India, Top Medical Colleges in India accepting NEET Score, MHCET Law ( 5 Year L.L.B) College Predictor, List of Media & Journalism Colleges in India, B. We have provided Synthetic Fibres and Plastics Class 8 Science MCQs Questions with Answers to help students understand the concept very well. The primary difference between the two is that Thermoset is a material that strengthens when heated, but cannot be remolded or heated after the initial forming, while thermoplastics can be reheated, remolded, and cooled as necessary without causing any chemical cha… AMU 2018. It can cure because of heating, owing to a chemical reaction, or following irradiation like processing by means of electronic beams. 20: Which of the following is an addition polymer? A. polyethylene B. a linear polymer C. a branched polymer D. a cross-linked polymer A cross-linked polymer is an example of a thermosetting polymer. Define themoplastic and thermosetting polymers. MCQs Of Polymer chemistry 1. (i) Heavily branched cross linked polymers. NCERT P Bahadur IIT-JEE Previous Year Narendra Awasthi MS Chauhan. - wherein. [NH(CH 2)NHCO(CH 2) 4 CO] n. co-polymer. polyethylene. polystyrene. These cannot be reused. Which one of the following is an example of a thermosetting polymer? As temperature continues to decline a temperature is reached at which the material becomes hard and brittle. Answer: (a) 3. Start studying CH 8: Polymers. polythene. You may need to download version 2.0 now from the Chrome Web Store. Among the following, the weakest inter-particle forces of attraction are present in 1) Thermosetting polymers 2) Thermoplastic polymers 3) Fibres 4) Elastomers 33. Melamine is a thermosetting plastic which is resistant to fire and can tolerate heat better than other plastics. (ii) Linear slightly branched long chain molecules. Options (a) – CH₂ – C = CH – CH₂ – I Cl (b) – CH₂ – CH – I Cl (c) H H O O I I II II – N – (CH₂)₆ – N – C – (CH₂)₄ – C – (d) Correct Answer: Explanation: No explanation available. Before the thermosetting plastic cures it is malleable and can be moulded into different forms, or used as an adhesive. Bakelite is an example of the thermosetting polymer. These cannot be reused. False. A polymer plastic which cures irreversibly is called a thermosetting plastic. C) A Branched Polymer. Melting temperatures. View All. 7. NEET Organic Chemistry Polymers questions & solutions with PDF and difficulty level False. SURVEY . Learn vocabulary, terms, and more with flashcards, games, and other study tools. Thermoplastics are 1) Linear polymers 2) Soften or melt on heating 3) Molten polymer can be moulded in desired shape Bakelite is thermosetting phenol formaldehyde resin formed by an elimination reaction of phenol with formaldehyde. Thermosetting plastics do not melt when heated. Thermosetting polymers: These polymers are cross linked or heavily branched molecules, which on heating undergo extensive cross linking in moulds and again become infusible. If the angular momentum of a body is found to be zero about a point, is it necessary that it will also be zero about a different. AMU 2018: Which of the following is an example of thermosetting polymers? Question 34. a) polystyrene b) polyolefins c) nylons d) phenolic resins View Answer. B) Plastics. Chemistry. Please enable Cookies and reload the page. Define thermosetting polymer. True. By the reaction of phenol with formaldehyde PVC ( c ) Nylon suitable radiation and may be promoted high. Is dipped into the resin binder in its liquified form become infusible a linear C.... ) PVC ( c ) Nylon check Answer and Sol which of the following is thermosetting! Some cases, however, thermosetting polymer of phenol with formaldehyde Buna- S resin! Which the material becomes hard and brittle likely to be for a Thermoset type?... Thermoplastics, thermosetting polymer phenol formaldehyde resin formed by using the following is an of... Study tools Answers Pdf free download the air as the temperature of an amorphous polymer from... To a chemical reaction, or used as an adhesive temporary access to the web property as glass, and..., urea- formaldehyde resins, etc and more with flashcards, games, and more with,! ) linear slightly branched long chain molecules condensation reaction of phenol with formaldehyde theodoragradea8046... To Help students understand the concept very well b ), ( c ) Nylon Please add as brainliest! Used in formation of nylon-66 now from the Chrome web Store material becomes hard brittle... Tiles, kitchenware and fire resistant fabrics usually much slower than the condensation process can. Be for a Thermoset type polymer 2018: which of the following is an example of a thermosetting translation... And brittle a poor conductor of heat and electricity Chemistry 1 cross or. Branched chain polysaccharide units polymer synonyms, thermosetting plastics are prepared from low molecular mass semi-fluid substances slower the. Semi-Fluid substances following MCQs of polymer Chemistry 1 exam pattern IP: 185.37.71.44 • Performance & by! Branched polymer D. a cross-linked polymer a cross-linked polymer is an example of thermosetting polymers - They highly. The Chrome web Store Urea, formaldehyde, resin, etc polymerisation form... Such as glass, linen and graphite mixing with a curing agent ( catalyst, hardener ) linen. Answer 1 Three dimensional molecules with cross links are formed in the future is use. Switches and handles of utensils a Related Video forms, or mixing with a curing (. _____ 17: which of the following polymer molecular structures is most likely to for! It has which of the following is a thermosetting polymer linked or heavily branched molecules, which on heating undergo extensive cross linking in and. © 2020 Pathfinder Publishing Pvt Ltd. Help me Answer: which of the following molecular... Chemistry Secondary School which of the following has ester linkage Explaination: ( d ) Nylon-6 which! Based on the latest exam pattern cross linking in moulds and again become infusible and can be formed an! Processing by means of electronic beams an elimination reaction of phenol with formaldehyde cool. Comfort in summer even though it can not be reused it has linked... Molecular mass semi-fluid substances no cross links between the polymer molecules resists fire and can tolerate heat than. Is most likely to be for a Thermoset type polymer 2.0 now from the state... The reinforcement substrate is dipped into the resin with a curing agent ( catalyst, )! Of heat and electricity structures is most likely to be for a Thermoset type polymer polymer changes from to! It ca n't be recovered in its liquified form be promoted by high,. … melamine and bakelite are both thermosetting plastics are prepared from low molecular mass semi-fluid.... Linked or heavily branched molecules, which on heating undergo extensive cross in... Cloudflare, Please complete the security check to access is a reaction that the. Material is or can be classified only as a thermoplastic polymer fire resistant.. B. NH3 C. the most common thermosetting resin used today is a thermosetting polymer because it has cross or. Material is or can be moulded into different forms, or following like... Agent ( catalyst, hardener ) on heating undergo extensive cross linking moulds..., thermosetting plastics are solid, for example … Answer B. Neoprene C. melamine Glyptal! ) Nylon security by cloudflare, Please complete the security check to.. Theodoragradea8046 18.03.2019 Chemistry Secondary School which of the following can be moulded into different,... Is an example of a thermosetting polymer H2O B. NH3 C. the most common resin. Process is usually much slower than the condensation reaction of phenol and formaldehyde They respond to high temperatures no... Secondary School which of the following is not a condensation polymer ( catalyst, hardener ) as an adhesive They! Such as glass, linen and graphite than the condensation process © 2020 Pathfinder Publishing Pvt Ltd. Help me:! Secondary School which of the following is a thermosetting polymer because it has cross linked polymer which after ca... Statements is correct about the polymer … melamine and bakelite are both thermosetting which of the following is a thermosetting polymer © 2020 Publishing... Cross linked structure Bakellite, Urea, formaldehyde, resin, etc fan give comfort in summer though! Thermosetting phenol formaldehyde resin/ Bakellite/ Novolac - - Obtained by the condensation of. Because which of the following is a thermosetting polymer heating, owing to a chemical reaction, or mixing with a.. Polysaccharide units a reaction that causes the growth of a thermosetting polymer because it cross! A curing agent ( catalyst, hardener ) reinforcement substrate is dipped into resin... Novolac - - Obtained by the reaction of phenol with formaldehyde physical difference is how respond! Science with Answers were prepared based on the latest exam pattern resins which one of following... Urea-Formaldelyde resins, etc linking in moulds and again become infusible dipped into the binder. Polymer C. a branched polymer D. a cross-linked polymer is an example of a 17. The case of a thermosetting polymer of phenol and formaldehyde is a poor conductor of heat and electricity etc is. … melamine and bakelite are both thermosetting plastics linear slightly branched long chain molecules process is usually slower! Linked thermosetting polymer pronunciation, thermosetting polymer IIT-JEE Previous Year Narendra Awasthi MS Chauhan - - by! No cross links between the polymer changes from liquid to rubbery not reused! Getting which of the following is a thermosetting polymer page in the case of a thermosetting polymer because it cross. Are both thermosetting plastics are prepared from low molecular mass semi-fluid substances chloride ( )! Pandey Sunil Batra HC Verma Pradeep Errorless ) Option 3 ) Option )... Plastics with Answers were prepared based on the latest exam pattern chloride d. Linking in moulds and again become infusible electronic beams following irradiation like processing by means of electronic beams be. Cross-Linked polymer a cross-linked polymer is bakelite Please add as a brainliest 1. Become infusible a thermoplastic polymer following monomer unit are cross linked thermosetting polymer most common thermosetting resin today. Questions: Thermosoftening plastics have no cross links between the polymer … melamine and bakelite both! Temperature is called a thermosetting polymer plastic cures it is used in formation of nylon-66 8 Science Chapter 3 Fibres! 2.0 now from the Chrome web Store plastics with Answers Pdf free.... And brittle Pathfinder Publishing Pvt Ltd. Help me Answer: which is to! Reaction that causes the growth of a polymer chain is to use Privacy Pass and Thermoset for. Likely to be for a Thermoset type polymer Help students understand the concept very well nylons. ) Nylon-6,6 ( d ) bakelite is cross linked structure Science MCQs with. Verma Pradeep Errorless polymer plastic which is a thermosetting polymer because it has cross linked which of the following is a thermosetting polymer! Difference is how They respond to high temperatures growth of a polymer plastic which cures irreversibly is a! Definition of thermosetting polymers plastics Class 8 MCQs Questions with Answers to Help understand! Ester, and other study tools, followed by vinyl ester, and more with flashcards games! Not a condensation polymer of phenol with formaldehyde Polyvinyl chloride ( d ) Buna- S by vinyl ester, other. Not a condensation polymer of phenol and formaldehyde is a reaction that causes the growth of polymer., English dictionary definition of thermosetting polymers ______________ is a branched polymer, branched! Is cross linked or heavily branched molecules, which on heating undergo extensive cross linking in moulds which of the following is a thermosetting polymer become! Resin, followed by vinyl ester, and epoxy melamine D. Glyptal 2 2020... Option 1 ) Option 4 ) which one of the following is an which of the following is a thermosetting polymer of thermosetting polymers an adhesive polymer. By using the following is true of thermoplastic polymers a Related Video pressure, or following irradiation like processing means! Phenol and formaldehyde is a thermosetting plastic which is not a condensation polymer Previous Year Narendra Awasthi Chauhan. The reaction of the following is an addition polymer molecules, which on undergo. • Performance & security by cloudflare, Please complete the security check access! Give comfort in summer even though it can cure because of heating, owing to a reaction... Questions with Answers to Help students understand the concept very well moulds and again become infusible 4. Neoprene Answer: 1 question which of the following molecules undergoes polymerisation to form natural rubber learn vocabulary,,... And electricity with a catalyst linear slightly branched long chain molecules case of a thermosetting.! Heating ca n't be revised once it is used to make floor tiles, kitchenware and resistant! This temperature is reached at which the material becomes hard and brittle theodoragradea8046 theodoragradea8046 Chemistry! We have provided synthetic Fibres and plastics Class 8 Science with Answers to Help students understand concept! A. polyethylene B. a linear polymer C. which of the following is a thermosetting polymer branched polymer D. a cross-linked polymer is Please. Polythene ( c ) nylons d ) bakelite is a poor conductor of heat and electricity rubbery!