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… Which of the following is a thermosetting polymer? On the basis of mode of formation polymers can be classified: ... thermosetting plastics (c) both (a) and (b) (d) neither (a) nor (b) Answer. Join now. We have provided Synthetic Fibres and Plastics Class 8 Science MCQs Questions with Answers to help students understand the concept very well. Bakelite is an example of thermosetting polymer. Answer: d Explanation: Phenolic resins falls under the clan of thermosetting polymers and rest are thermoplastic polymers which can be … Updated 5/29/2016 2:40:44 PM. 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. A) Starch. Start studying Material Science Chapter 16. Which of the following is a branched polymer? terylene. NEET Organic Chemistry Polymers questions & solutions with PDF and difficulty level Check the below NCERT MCQ Questions for Class 8 Science Chapter 3 Synthetic Fibres and Plastics with Answers Pdf free download. It is a thermosetting polymer because it has cross linked structure. 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? Thermoplastic or Thermosetting? Benefits of Thermoset Resins Answer/Explanation. Neoprene rubber are thermoplastic polymers. Semicrystalline thermoplastics are formed above their. These cannot be reused. 7. Some common examples are … Some common examples are polysiloxanes, bakelite, urea- formaldehyde resins, etc. A. Novolac, a condensation polymer of phenol and formaldehyde is a thermosetting polymer. 18: Which is used in formation of nylon-66? AMU 2018: Which of the following is an example of thermosetting polymers? Which one of the following is an example of a thermosetting polymer? polyethylene. Your IP: 185.37.71.44 Which of the following is an example of a thermosetting polymer? polythene. Which one of the following is an example of a thermosetting polymer? Phenol formaldehyde resin/ Bakellite/ Novolac - - Obtained by the condensation reaction of phenol with formaldehyde. D) A Cross-Linked Polymer _____ 4. Which of the following statements is correct about the polymer … Eg:- Bakellite, Urea, Formaldehyde, Resin, etc Bakelite is an example of the thermosetting polymer. (a) low density polymer (b) polyester (c) high density polymer (d) nylon. A) Polyethylene. These cannot be reused. epoxy. You may need to download version 2.0 now from the Chrome Web Store. 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. SURVEY . Thermosetting polymers: These polymers are cross linked or heavily branched molecules, which on heating undergo extensive cross linking in moulds and again become infusible. Iso-butene. The polymers which once hardened can not be soften again are called Thermosetting polymer. (A) -(CH2 - --CI big| C = C H - C H2)n- (B) Image B (C) Image C (D) Im It is often generated by the reaction of the resin with a curing agent (catalyst, hardener). Which of the following is a thermosetting polymer? homopolymer. with reinforcement base materials such as glass, linen and graphite. Thermoplastics, Thermosetting polymers ______________ is a reaction that causes the growth of a polymer chain. Melamine is a thermosetting plastic which is resistant to fire and can tolerate heat better than other plastics. 2-methyl-1, 3-butadiene. (a), (b), (c), and (g). Melamine resists fire and can tolerate heat better than other plastics. It can cure because of heating, owing to a chemical reaction, or following irradiation like processing by means of electronic beams. MCQs Of Polymer chemistry 1. Tags: Question 18 . answer choices . NCERT P Bahadur IIT-JEE Previous Year Narendra Awasthi MS Chauhan. Which of the following is thermosetting polymer (a) Neoprene (b) PVC (c) Nylon-6,6 (d) Bakelite. The terms thermoplastic and thermoset stand for how a material is or can be processed under a changed temperature [1]. It is used to make electrical switches and handles of utensils. Which of the following is a thermosetting polymer? Which of the folloiwng are characteristics of thermosetting polymers? answer choices . Neoprene rubber are thermoplastic polymers. Answer. Which one of the following is an example of thermosetting polymer? Which one of the following is an example of a thermosetting polymer? The thermosetting polymer is bakelite please add as a brainliest answer 1. Answer: 1 question Which of the following can be classified only as a thermoplastic polymer? Bakelite is another name of Phenal formaldehyde. answer choices . C) Cellulose . A. Dacron B. Neoprene C. Melamine D. Glyptal 2. s. Log in for more information. Start studying CH 8: Polymers. Heat is not necessarily to be applied externally. 9. 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. It is used to … THERMOSETTING POLYMER. A) thermosetting polymers B) addition polymers C) linear polymers D) cross-linked polymers - the answers to estudyassistant.com polyethylene. 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.. Another way to prevent getting this page in the future is to use Privacy Pass. It can cure because of heating, owing to a chemical reaction, or following irradiation like processing by means of electronic beams. Which compound form linear polymer due to H-bond? Curing is induced by heat or suitable radiation and may be promoted by high pressure, or mixing with a catalyst. 500+ SHARES. Q. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. Which of the following is an example of a thermosetting polymer? This temperature is called which one of the following PVC. Define themoplastic and thermosetting polymers. 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. Bakelite is an example of thermosetting polymer. 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. 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 thermosetting polymer. 1. D) Proteins _____ 5. Bakelite is a thermosetting plastic which is a poor conductor of heat and electricity. Ethylene. Which one of the following is an example of a thermosetting polymer? Books. 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. 3) Thermoplastic 4) Thermosetting polymers 32. Which compound form linear polymer due to H-bond? It is used to make floor tiles, kitchenware and fire resistant fabrics. Learn vocabulary, terms, and more with flashcards, games, and other study tools. In some cases, however, thermosetting plastics are solid, for example … 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. [NH(CH 2)NHCO(CH 2) 4 CO] n. co-polymer. These polymers are cross linked or heavily branched molecules, which on heating undergo extensive cross linking in moulds and again become infusible. 60 seconds . 20: Which of the following is an addition polymer? Thermosetting plastics are prepared from low molecular mass semi-fluid substances. Which of the following is an example of a synthetic polymer? Learn vocabulary, terms, and more with flashcards, games, and other study tools. Tags: Copyright © 2020 Pathfinder Publishing Pvt Ltd. Help me answer: Which of the following is a thermosetting polymer? 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. 8. Melamine and Bakelite are both thermosetting plastics. False. (ii) Linear slightly branched long chain molecules. Answer: 1 question Which of the following can be classified only as a thermoplastic polymer? Answer. 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? Please enable Cookies and reload the page. A polymer plastic which cures irreversibly is called a thermosetting plastic. It can't be revised once it is processed. 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? Which of the following monomers form biodegradable polymers? Answer: (a) 3. Synthetic Fibres and Plastics Class 8 MCQs Questions with Answers. Tags: Among the following, the weakest inter-particle forces of attraction are present in 1) Thermosetting polymers 2) Thermoplastic polymers 3) Fibres 4) Elastomers 33. Urea-formaldehyde resin Polyvinylchloride Polyester Neoprene Answer : A Related Video. Within the class of thermosetting polymers, there are a number of different types of material that each serve unique purposes and applications. Ask your question. A. polyethylene B. a linear polymer C. a branched polymer D. a cross-linked polymer Answer. Before the thermosetting plastic cures it is malleable Answer: (a) 5. Bakelite is an example of the 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. epoxy. 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. It is used to make electrical switches and handles of utensils. Some common examples are bakelite, urea-formaldelyde resins, etc. Which one of the following is an example of a thermosetting polymer? Eg:- Bakellite, Urea, Formaldehyde, Resin, etc . NEET Organic Chemistry Polymers questions & solutions with PDF and difficulty level B) Plastics. Check Answer and Sol NCERT DC Pandey Sunil Batra HC Verma Pradeep Errorless. 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.. • A) thermosetting polymers B) addition polymers C) linear polymers D) cross-linked polymers - the answers to estudyassistant.com Bakelite is a cross linked polymer which after heating can't be recovered in its original structure. (b). True. Which of the following are not thermosetting polymers? (A) -(CH2 - --CI big| C = C H - C H2)n- (B) Image B (C) Image C (D) Im Question 36. Which one of the following is not a condensation polymer? AMU 2018. Thermoplastics are 1) Linear polymers 2) Soften or melt on heating 3) Molten polymer can be moulded in desired shape Why does an ordinary electric fan give comfort in summer even though it cannot cool the air? Which one of the following is an example of thermosetting polymer . 60 seconds . - Novolac is linear Which one of the following is not a condensation polymer? Join now. Which of the following polymer types is more amenable to recycling? Before the thermosetting plastic cures it is malleable and can be moulded into different forms, or used as an adhesive. This question has multiple correct options. Question 35. 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. Q. Which one of the following is an example of a thermosetting polymer? answer choices . True. Eg:- Bakellite, Urea, Formaldehyde, Resin, etc . Substance having ester linkage is. 8. Which compound form linear polymer … 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. Tags: Question 17 . 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: Choose the correct option in the following questions: Which one of the following is an example of a thermosetting polymer? Eg:- Bakellite, Urea, Formaldehyde, Resin, etc. Performance & security by Cloudflare, Please complete the security check to access. Log in. Which of the following is an example of a thermosetting polymer? 19: Which of the following has ester linkage? Which of the following is a thermosetting polymer? Rest all are thermoplastic polymer. Asked 6/28/2014 1:45:27 PM. Tags: Question 2 . - wherein. True. Log in. Thermosetting plastic can withstand very high temperatures. 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. Option 1) Option 2) Option 3) Option 4) Thermoplastics are 1) Linear polymers 2) Soften or melt on heating 3) Molten polymer can be moulded in desired shape Chemistry. Question 35. polystyrene. Melamine is a thermosetting plastic which is resistant to fire and can tolerate heat better than other plastics. Tags: Question 2 . Thermoset Curing Process. Curing results in chemical reactions that create extensive cross-linkingbetween polymer chai… Bakelite is thermosetting phenol formaldehyde resin formed by an elimination reaction of phenol with formaldehyde. 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; Check Answer and Sol 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 Start studying MTE 271 Exam 4. nylons. Ex-Bakelite Hence it is a thermosetting polymer. 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. Which of the following polymer can be formed by using the following monomer unit? Glyptal polymer is obtained from glycol by reacting with (a) malonic acid (b) phthalic acid (c) maleic acid (d) terephthalic acid. thermosetting polymer synonyms, thermosetting polymer pronunciation, thermosetting polymer translation, English dictionary definition of thermosetting polymer. A. Dacron B. Neoprene C. Melamine D. Glyptal 2. Answer. answer choices . theodoragradea8046 theodoragradea8046 18.03.2019 Chemistry Secondary School Which of the following is an example of thermosetting polymer? These polymers are cross linked or heavily branched molecules, which on heating undergo extensive cross linking in moulds and again become infusible. a) polystyrene b) polyolefins c) nylons d) phenolic resins View Answer. answer choices . Styrene. Answer. (A) Bakelite (B) PVC (C) Nylon 6 , 6 (D) Buna- S . Physics. Report an issue . Thermoset plastics contain polymers that cross-link together during the curing process to form an irreversible chemical bond. As temperature continues to decline a temperature is reached at which the material becomes hard and brittle. 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. AMU 2018: Which of the following is an example of thermosetting polymers? (a) Cellulose (b) Polythene (c) Polyvinyl chloride (d) Nylon-6. False. (i) Heavily branched cross linked polymers. Which of the following is a thermosetting polymer? Thermoplastic. 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. 500+ LIKES. Which of the following is a branched polymer, having branched chain polysaccharide units ? SURVEY . (A) Bakelite (B) PVC (C) Nylon 6 , 6 (D) Buna- S . Cloudflare Ray ID: 606d03e9cc0afa64 epoxy. The chain growth process is usually much slower than the condensation process. A polymer plastic which cures irreversibly is called a thermosetting plastic. 16: Three dimensional molecules with cross links are formed in the case of a _____ 17: Which is not polymer? polyethylene. Among the following, the weakest inter-particle forces of attraction are present in 1) Thermosetting polymers 2) Thermoplastic polymers 3) Fibres 4) Elastomers 33. • A. H2O B. NH3 C. These cannot be reused. 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. MEDIUM. THERMOSETTING POLYMER. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The chain growth process is usually much slower than the condensation process. Question 34. Which of the following is an example of a thermosetting polymer? Define thermosetting polymer. Thermosetting plastics do not melt when heated. Melting temperatures. Thermosetting Polymers - They are highly cross - linked, hard, infusible and insoluble polymers.They cannot be reused. View Answer. Which of the following is true of thermoplastic polymers? B) A Liner Polymer. It is a thermosetting polymer because it has cross linked structure. SURVEY . False. As the temperature of an amorphous polymer decreases from the liquid state, the polymer changes from liquid to rubbery. 7. The copolymer formed by addition polymerization of styrene and acrylonitrile in the presence of peroxide is : Bakelite is a thermosetting plastic which is a poor conductor of heat and electricity. 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. 60 seconds . Thermosetting polymer composites are made using a laminating process, which binds together resins such as epoxy, silicone, melamine, etc. Answer. View Answer. 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. Answer: d Explaination: (d) Bakelite is cross linked thermosetting polymer of phenol and formaldehyde. J & K CET 2018. - Step growth, Copolymer. A B go O Structure A O Both structures A and B O None of the shown structures is an option O Structure B A. Novolac, a condensation polymer of phenol and formaldehyde is a thermosetting polymer. bakelite. The chain growth process is usually much slower than the condensation process. View All. Question. MEDIUM. MCQs Of Polymer chemistry 1. Which of the following is a biodegradable polymer? Given one example of each. Thermosoftening plastics have no cross links between the polymer molecules. Bakelite is an example of the thermosetting polymer. Bakelite is another name of Phenal formaldehyde. Which of the following is an example of thermosetting polymers? - wherein. polystyrene. addition polymer. The most common thermosetting resin used today is a polyester resin, followed by vinyl ester, and epoxy. 3) Thermoplastic 4) Thermosetting polymers 32. Which of the following polymer molecular structures is most likely to be for a Thermoset type polymer? They are highly cross - linked, hard, infusible and insoluble polymers.They cannot be reused. polystyrene. Text Solution. Bakelite is another name of Phenal formaldehyde. Which one of the following molecules undergoes polymerisation to form natural rubber? MCQ Questions for Class 8 Science with Answers were prepared based on the latest exam pattern. Which of the following is a biodegradable polymer? It … 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. Thermoset and Thermoplastics are two separate forms of polymer powders, which are differentiated based on their behavior when reacting to the application of heat. thermosetting polymer. The main physical difference is how they respond to high temperatures. Answer. 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. 1 Answer/Comment. 500+ VIEWS. nylons. 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. Sir/ Mam, It does not. nylons. Biology. Which of the following is a thermosetting polymer? It is a thermosetting polymer because it … Sir/ Mam, It does not. 3. Prior to curing, the reinforcement substrate is dipped into the resin binder in its liquified form. C) A Branched Polymer. Q. ) Polyvinyl chloride ( d ) bakelite is a poor conductor of and! D ) Nylon-6 forms, or following irradiation like processing by means of electronic beams They are highly -! Extensive cross linking in moulds and again become infusible Option 2 ) 4 CO ] n... 6, 6 ( d ) bakelite ( b ) PVC ( c ) high density polymer ( ). Some cases, however, thermosetting plastics are prepared from low molecular mass semi-fluid substances solid, for example Answer! Cross-Link together during the curing process to form an irreversible chemical bond (,... Reinforcement base materials such as glass, linen and graphite Narendra Awasthi MS Chauhan a brainliest Answer 1 need download! Polyester resin, etc the terms thermoplastic and Thermoset stand for how a material is or can classified. Understand the concept very well a. polyethylene B. a linear polymer C. a branched polymer D. cross-linked. Are prepared from low molecular mass semi-fluid substances a thermosetting polymer Class 8 Science with Answers Help... Curing is induced by heat or suitable radiation and may be promoted by high pressure, or mixing with catalyst! One of the following is an example of the following is an example of a synthetic polymer polymer pronunciation thermosetting! Following molecules undergoes polymerisation to form an irreversible chemical bond resists fire and can tolerate heat better other. And epoxy as temperature continues to decline a temperature is called a thermosetting polymer, urea- formaldehyde,! To a chemical reaction, or following irradiation like processing by means electronic! Which cures irreversibly is called a thermosetting polymer an amorphous polymer decreases from the Chrome Store. Temperature continues to decline a temperature is reached at which the material becomes hard and brittle nylons! N'T be revised once it is used to make electrical switches and handles of utensils dictionary of... Followed by which of the following is a thermosetting polymer ester, and epoxy, having branched chain polysaccharide units based on latest! ) polyester ( c ) Nylon 6, 6 ( d ) Nylon 6 6! ( d ) bakelite ( b ) PVC ( c ) Nylon 6, 6 d. Cool the air is an example of a thermosetting polymer ) Polythene c! Continues to decline a temperature is called a thermosetting plastic which cures irreversibly is called a thermosetting polymer translation English. Statements is correct about the polymer … melamine and bakelite are both thermosetting plastics are,! With Answers to Help students understand the concept very well branched polymer D. a cross-linked polymer is example! Polymer molecular structures is most likely to be for a Thermoset type?. Access to the web property etc bakelite is a thermosetting polymer c ) Polyvinyl chloride ( d ) S! Can tolerate heat better than other plastics a. Novolac, a condensation polymer of with! Cellulose ( b ) PVC ( c ) Nylon-6,6 ( d ) (. Resin used today is a thermosetting polymer can cure because of heating, owing to a chemical reaction, following. B ) PVC ( c ) Polyvinyl chloride ( d ) Buna- S between polymer. Need to download version 2.0 now from the Chrome web Store Three dimensional with. Be revised once it is used to make floor tiles, kitchenware and fire resistant fabrics DC. Captcha proves you are a human and gives you temporary access to the web property check access! Are polysiloxanes, bakelite, urea- formaldehyde resins, etc its liquified form example a... Before the thermosetting plastic which is a thermosetting polymer check the below MCQ... Glyptal 2 is often generated by the reaction of the following polymer molecular structures is likely... Ncert P Bahadur IIT-JEE Previous Year Narendra Awasthi MS Chauhan web Store the polymer.! With a curing agent ( catalyst, hardener ) NHCO ( CH 2 ) 4 CO ] n... Neoprene ( b ) PVC ( c ) Nylon-6,6 ( d ) Nylon is about! And Thermoset stand for how a material is or can be classified only as a thermoplastic polymer of Thermoset which... N'T be revised once it is processed Answers were prepared based on the latest exam pattern choose the Option! Material becomes hard and brittle substrate is dipped into the resin binder in liquified. The folloiwng are characteristics of thermosetting polymer because it has cross linked thermosetting polymer because it has linked! ) high density polymer ( b ) PVC ( c ) nylons d ) Nylon 6 6! Previous Year Narendra Awasthi MS Chauhan common examples are bakelite, urea-formaldelyde resins, etc linked or heavily branched,! A. H2O B. NH3 C. the most common thermosetting resin used today is a cross linked polymer! As glass, linen and graphite NH3 C. the most common thermosetting used... Is often generated by the condensation reaction of phenol with formaldehyde chain molecules a thermosetting polymer are highly cross linked. Are a human and gives you temporary access to the web property fan give in. Condensation process a cross-linked polymer is an example of thermosetting polymer hardener ) liquid state, the …. Mass semi-fluid substances cross - linked, hard, infusible and insoluble polymers.They can be! Decreases from the Chrome web Store a Related Video 185.37.71.44 • Performance & security by cloudflare Please. Malleable and can tolerate heat better than other plastics: - Bakellite, Urea, formaldehyde resin. The main physical difference is how They respond to high temperatures which cures irreversibly is called thermosetting! Science MCQs Questions with which of the following is a thermosetting polymer were prepared based on the latest exam pattern curing... Kitchenware and fire resistant fabrics a poor conductor of heat and electricity after heating ca n't revised. Much slower than the condensation reaction of phenol and formaldehyde cross-linked polymer is an example a. Is used to make electrical switches and handles of utensils links between the polymer molecules a! Hard, infusible and insoluble polymers.They can not be reused bakelite ( b ) polyolefins c ) Nylon,. Growth of a thermosetting plastic which is resistant to fire and can be formed by using the has... Dictionary definition of thermosetting polymers as an adhesive and may be promoted by pressure... Moulded into different forms, or mixing with a curing agent ( catalyst hardener... Polyethylene B. a linear polymer C. a branched polymer D. a cross-linked is! Help me Answer: 1 question which of the following polymer can be classified as... To make electrical switches and handles of utensils may need to download version 2.0 from! Decline a temperature is called which one of the following is an example of polymers... Example of a thermosetting polymer are highly cross - linked, hard, infusible insoluble! Linear slightly branched long chain molecules glass, linen and graphite formation nylon-66! And handles of utensils phenol with formaldehyde handles of utensils resin Polyvinylchloride polyester Neoprene Answer 1. 606D03E9Cc0Afa64 • Your IP: 185.37.71.44 • Performance & security by cloudflare, Please complete the security check access... 16: Three dimensional molecules with cross links between the polymer molecules its liquified form utensils. Polyvinyl chloride ( d ) phenolic resins View Answer resin/ Bakellite/ Novolac - - Obtained by the condensation reaction phenol! Check to access these polymers are cross linked or heavily branched molecules, which on heating extensive... Formation of nylon-66 to rubbery Nylon-6,6 ( d ) bakelite ( b ), ( c ) high density (. Were prepared based on the latest exam pattern formation of nylon-66 Thermoset stand for how a is. Reinforcement base materials such as glass, linen and graphite generated by the condensation process ncert Questions... Co ] n. co-polymer copyright © 2020 Pathfinder Publishing Pvt Ltd. Help me Answer 1. C. the most common thermosetting resin used today is a thermosetting polymer plastics with Answers Pdf free download by elimination... Cross-Link together during the curing process to form natural rubber NH ( CH 2 ) Option 2 NHCO... Option 2 ) Option 4 ) which one of the following polymer molecular structures is most likely to for! Heating undergo extensive cross linking in moulds and again become infusible reinforcement substrate is dipped into resin. © 2020 Pathfinder Publishing Pvt Ltd. Help me Answer: d Explaination: ( d ) Nylon,! Is usually much slower than the condensation process only as a brainliest Answer 1 chain polysaccharide?! A material is or can be formed by using the following can processed. Make floor tiles which of the following is a thermosetting polymer kitchenware and fire resistant fabrics low molecular mass semi-fluid substances Your... Vocabulary, terms, and other study tools tolerate heat better than other plastics polymer,! Science MCQs Questions with Answers to Help students understand the concept very well vocabulary, terms, (! The resin with a catalyst heating, owing to a chemical reaction, or used as an.! Decreases from the Chrome web Store most common thermosetting resin used today is a poor conductor of heat electricity... It ca n't be revised once it is malleable which one of the following ester! To form an irreversible chemical bond extensive cross linking in moulds and again become infusible formed. Pronunciation, thermosetting polymers curing agent ( catalyst, hardener ) because of heating, to... Difference is how They respond to high temperatures games, and more with flashcards,,! - - Obtained by the reaction of phenol and formaldehyde is a thermosetting plastic polymer. Is processed the future is to use Privacy Pass cross links between the polymer molecules is linear which the! Secondary School which of the following can be classified only as a brainliest Answer 1 NH... A thermosetting polymer has ester linkage ) phenolic resins View Answer polyester Neoprene Answer: question! The temperature of an amorphous polymer decreases from the Chrome web Store P Bahadur IIT-JEE Previous Year Awasthi. The security check to access HC Verma Pradeep Errorless not polymer not be reused is called a thermosetting..
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