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- Step growth, Copolymer. Your IP: 185.37.71.44 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. s. Log in for more information. Which one of the following is an example of a thermosetting polymer? 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. 8. Bakelite is an example of thermosetting polymer. 60 seconds . 3) Thermoplastic 4) Thermosetting polymers 32. Which one of the following is an example of a thermosetting polymer? These polymers are cross linked or heavily branched molecules, which on heating undergo extensive cross linking in moulds and again become infusible. Curing results in chemical reactions that create extensive cross-linkingbetween polymer chai… Melamine is a thermosetting plastic which is resistant to fire and can tolerate heat better than other plastics. Asked 6/28/2014 1:45:27 PM. Thermoplastics, Thermosetting polymers ______________ is a reaction that causes the growth of a polymer chain. • 7. Which of the following is a thermosetting polymer? Bakelite is another name of Phenal formaldehyde. The thermosetting polymer is bakelite please add as a brainliest answer 1. You may need to download version 2.0 now from the Chrome Web Store. Which of the folloiwng are characteristics of thermosetting polymers? Which one of the following is not a condensation 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. Which of the following monomers form biodegradable polymers? Answer: d Explanation: Phenolic resins falls under the clan of thermosetting polymers and rest are thermoplastic polymers which can be … Which of the following is an example of a thermosetting polymer? Which of the following is an example of a thermosetting polymer? Which of the following is a thermosetting polymer? The chain growth process is usually much slower than the condensation process. MCQs Of Polymer chemistry 1. Thermosetting polymer composites are made using a laminating process, which binds together resins such as epoxy, silicone, melamine, etc. Report an issue . Heat is not necessarily to be applied externally. answer choices . Which one of the following is an example of a thermosetting polymer? Answer: 1 question Which of the following can be classified only as a thermoplastic polymer? A. Novolac, a condensation polymer of phenol and formaldehyde is a thermosetting polymer. 60 seconds . These cannot be reused. The copolymer formed by addition polymerization of styrene and acrylonitrile in the presence of peroxide is : terylene. 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. (A) Bakelite (B) PVC (C) Nylon 6 , 6 (D) Buna- S . • Eg:- Bakellite, Urea, Formaldehyde, Resin, etc Bakelite is an example of the 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. Ethylene. Phenol formaldehyde resin/ Bakellite/ Novolac - - Obtained by the condensation reaction of phenol with formaldehyde. Which of the following is a thermosetting polymer? True. Q. AMU 2018: Which of the following is an example of thermosetting polymers? 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. Biology. Which of the following is an example of a synthetic polymer? Copyright © 2020 Pathfinder Publishing Pvt Ltd. Help me answer: Which of the following is a thermosetting polymer? Answer. The polymers which once hardened can not be soften again are called Thermosetting polymer. D) A Cross-Linked Polymer _____ 4. 20: Which of the following is an addition polymer? (b). Which of the following are not thermosetting polymers? Question 35. Which compound form linear polymer due to H-bond? Some common examples are bakelite, urea-formaldelyde resins, etc. B) Plastics. J & K CET 2018. Tags: epoxy. 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? Styrene. Answer: (a) 3. Which of the following is a thermosetting polymer? Bakelite is another name of Phenal formaldehyde. Which one of the following is an example of a thermosetting polymer? Another way to prevent getting this page in the future is to use Privacy Pass. MCQ Questions for Class 8 Science with Answers were prepared based on the latest exam pattern. NEET Organic Chemistry Polymers questions & solutions with PDF and difficulty level Bakelite is thermosetting phenol formaldehyde resin formed by an elimination reaction of phenol with formaldehyde. A. Dacron B. Neoprene C. Melamine D. Glyptal 2. Melamine resists fire and can tolerate heat better than other plastics. The chain growth process is usually much slower than the condensation process. AMU 2018. nylons. answer choices . Answer. Thermosoftening plastics have no cross links between the polymer molecules. Which of the following is an example of a thermosetting polymer? Which of the following is a branched polymer, having branched chain polysaccharide units ? View All. A polymer plastic which cures irreversibly is called a thermosetting plastic. polystyrene. answer choices . 1 Answer/Comment. View Answer. 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 is an example of a thermosetting polymer? Which one of the following is an example of a thermosetting polymer? Learn vocabulary, terms, and more with flashcards, games, and other study tools. Thermosetting plastics are prepared from low molecular mass semi-fluid substances. Start studying Material Science Chapter 16. 9. nylons. A. polyethylene B. a linear polymer C. a branched polymer D. a cross-linked polymer 500+ LIKES. Which of the following statements is correct about the polymer … answer choices . 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. Bakelite is a thermosetting plastic which is a poor conductor of heat and electricity. Start studying MTE 271 Exam 4. Which of the following is a biodegradable polymer? As temperature continues to decline a temperature is reached at which the material becomes hard and brittle. addition polymer. Thermoplastic. AMU 2018: Which of the following is an example of thermosetting polymers? Which of the following is a thermosetting polymer? Thermoplastic or Thermosetting? Ex-Bakelite - wherein. Thermosetting plastic can withstand very high temperatures. Bakelite is a cross linked polymer which after heating can't be recovered in its original structure. Semicrystalline thermoplastics are formed above their. 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. thermosetting polymer. (a) Cellulose (b) Polythene (c) Polyvinyl chloride (d) Nylon-6. Which one of the following is an example of thermosetting polymer . 8. Question. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. Tags: Question 2 . False. B) A Liner Polymer. (ii) Linear slightly branched long chain molecules. NEET Organic Chemistry Polymers questions & solutions with PDF and difficulty level MEDIUM. bakelite. We have provided Synthetic Fibres and Plastics Class 8 Science MCQs Questions with Answers to help students understand the concept very well. 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. Prior to curing, the reinforcement substrate is dipped into the resin binder in its liquified form. Question 34. A polymer plastic which cures irreversibly is called a thermosetting plastic. Please enable Cookies and reload the page. False. polystyrene. D) Proteins _____ 5. View Answer. - wherein. a) polystyrene b) polyolefins c) nylons d) phenolic resins View Answer. Before the thermosetting plastic cures it is malleable 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. answer choices . polyethylene. (A) Bakelite (B) PVC (C) Nylon 6 , 6 (D) Buna- S . As the temperature of an amorphous polymer decreases from the liquid state, the polymer changes from liquid to rubbery. 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.. Melting temperatures. thermosetting polymer synonyms, thermosetting polymer pronunciation, thermosetting polymer translation, English dictionary definition of thermosetting polymer. 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.. Books. Check the below NCERT MCQ Questions for Class 8 Science Chapter 3 Synthetic Fibres and Plastics with Answers Pdf free download. Melamine and Bakelite are both thermosetting plastics. Sir/ Mam, It does not. A. H2O B. NH3 C. (i) Heavily branched cross linked polymers. C) A Branched Polymer. Bakelite is an example of thermosetting polymer. Eg:- Bakellite, Urea, Formaldehyde, Resin, etc . This question has multiple correct options. True. 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. MCQs Of Polymer chemistry 1. A) thermosetting polymers B) addition polymers C) linear polymers D) cross-linked polymers - the answers to estudyassistant.com It … 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. SURVEY . Answer: (a) 5. THERMOSETTING POLYMER. C) Cellulose . with reinforcement base materials such as glass, linen and graphite. It is used to make electrical switches and handles of utensils. polystyrene. Which compound form linear polymer … PVC. Thermoset plastics contain polymers that cross-link together during the curing process to form an irreversible chemical bond. THERMOSETTING POLYMER. Among the following, the weakest inter-particle forces of attraction are present in 1) Thermosetting polymers 2) Thermoplastic polymers 3) Fibres 4) Elastomers 33. 500+ SHARES. polythene. polyethylene. NCERT DC Pandey Sunil Batra HC Verma Pradeep Errorless. Updated 5/29/2016 2:40:44 PM. Choose the correct option in the following questions: epoxy. 19: Which of the following has ester linkage? Answer. In some cases, however, thermosetting plastics are solid, for example … homopolymer. 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? Log in. Which of the following is thermosetting polymer (a) Neoprene (b) PVC (c) Nylon-6,6 (d) Bakelite. Answer. Tags: Which of the following polymer can be formed by using the following monomer unit? Which of the following is a branched polymer? Answer/Explanation. These cannot be reused. True. Answer: d Explaination: (d) Bakelite is cross linked thermosetting polymer of phenol and 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; Bakelite is an example of the 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. It can't be revised once it is processed. Answer. Tags: Question 2 . It is a thermosetting polymer because it … Bakelite is an example of the thermosetting polymer. It is used to … Q. 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? 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. Ask your question. It can cure because of heating, owing to a chemical reaction, or following irradiation like processing by means of electronic beams. epoxy. Neoprene rubber are thermoplastic polymers. A. Dacron B. Neoprene C. Melamine D. Glyptal 2. Which of the following is true of thermoplastic polymers? On the basis of mode of formation polymers can be classified: ... thermosetting plastics (c) both (a) and (b) (d) neither (a) nor (b) Answer. 500+ VIEWS. 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. Answer. Question 35. Substance having ester linkage is. 1. 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. Thermosetting Polymers - They are highly cross - linked, hard, infusible and insoluble polymers.They cannot be reused. polyethylene. A. Novolac, a condensation polymer of phenol and formaldehyde is a thermosetting polymer. Check Answer and Sol Thermoset and Thermoplastics are two separate forms of polymer powders, which are differentiated based on their behavior when reacting to the application of heat. answer choices . Which of the following polymer molecular structures is most likely to be for a Thermoset type polymer? Chemistry. Which of the following is a thermosetting polymer? Tags: Question 17 . 3) Thermoplastic 4) Thermosetting polymers 32. The main physical difference is how they respond to high temperatures. Cloudflare Ray ID: 606d03e9cc0afa64 Log in. Which one of the following is an example of a thermosetting polymer? 16: Three dimensional molecules with cross links are formed in the case of a _____ 17: Which is not polymer? A) Polyethylene. Define thermosetting polymer. Thermosetting polymers: These polymers are cross linked or heavily branched molecules, which on heating undergo extensive cross linking in moulds and again become infusible. (a) low density polymer (b) polyester (c) high density polymer (d) nylon. 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: Thermosetting Polymers - 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. Question from Polymers,jeemain,aipmt,chemistry,cbse,unit5,class12,organic-chemistry-polymers,q38,medium Tags: Question 18 . These cannot be reused. It is a thermosetting  polymer because it has cross linked structure. Before the thermosetting plastic cures it is malleable and can be moulded into different forms, or used as an adhesive. Neoprene rubber are thermoplastic polymers. 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. Join now. It can cure because of heating, owing to a chemical reaction, or following irradiation like processing by means of electronic beams. Define themoplastic and thermosetting polymers. 7. Physics. nylons. Answer: 1 question Which of the following can be classified only as a thermoplastic polymer? It is often generated by the reaction of the resin with a curing agent (catalyst, hardener). Which one of the following is an example of thermosetting polymer? It is used to make electrical switches and handles of utensils. 60 seconds . (A) -(CH2 - --CI big| C = C H - C H2)n- (B) Image B (C) Image C (D) Im Glyptal polymer is obtained from glycol by reacting with (a) malonic acid (b) phthalic acid (c) maleic acid (d) terephthalic acid. Among the following, the weakest inter-particle forces of attraction are present in 1) Thermosetting polymers 2) Thermoplastic polymers 3) Fibres 4) Elastomers 33. Sir/ Mam, It does not. A) Starch. The terms thermoplastic and thermoset stand for how a material is or can be processed under a changed temperature [1]. This temperature is called which one of the following Synthetic Fibres and Plastics Class 8 MCQs Questions with Answers. Eg:-  Bakellite, Urea,  Formaldehyde, Resin, etc. MEDIUM. Which one of the following molecules undergoes polymerisation to form natural rubber? Which one of the following is an example of a thermosetting polymer? Text Solution. False. Answer. Given one example of each. Iso-butene. Some common examples are … SURVEY . Q. 2-methyl-1, 3-butadiene. Thermoset Curing Process. Which one of the following is not a condensation polymer? Which of the following is an example of thermosetting polymers? (A) -(CH2 - --CI big| C = C H - C H2)n- (B) Image B (C) Image C (D) Im Define 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. Bakelite is a thermosetting plastic which is a poor conductor of heat and electricity. Benefits of Thermoset Resins Check Answer and Sol 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… The chain growth process is usually much slower than the condensation process. SURVEY . Which compound form linear polymer due to H-bond? Eg:- Bakellite, Urea, Formaldehyde, Resin, etc . Thermosetting plastics do not melt when heated. Rest all are thermoplastic 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. Thermoplastics are 1) Linear polymers 2) Soften or melt on heating 3) Molten polymer can be moulded in desired shape These polymers are cross linked or heavily branched molecules, which on heating undergo extensive cross linking in moulds and again become infusible. The most common thermosetting resin used today is a polyester resin, followed by vinyl ester, and epoxy. theodoragradea8046 theodoragradea8046 18.03.2019 Chemistry Secondary School Which of the following is an example of thermosetting polymer? Melamine is a thermosetting plastic which is resistant to fire and can tolerate heat better than other plastics. Option 1) Option 2) Option 3) Option 4) Hence it is a thermosetting polymer. Urea-formaldehyde resin Polyvinylchloride Polyester Neoprene Answer : A Related Video. - Novolac is linear Performance & security by Cloudflare, Please complete the security check to access. Bakelite is another name of Phenal formaldehyde. 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. 18: Which is used in formation of nylon-66? Question 36. They are highly cross - linked, hard, infusible and insoluble polymers.They cannot be reused. Check the below ncert MCQ Questions for Class 8 Science Chapter 3 synthetic Fibres and plastics Class MCQs. ) Buna- S a. H2O B. NH3 C. the most common thermosetting resin used today is thermosetting... Be classified only as a thermoplastic polymer hard and brittle case of a _____ 17: is. Only as a thermoplastic polymer Batra HC Verma Pradeep Errorless bakelite ( b ) PVC ( c ) high polymer! Is induced by heat or suitable radiation and may be promoted by high pressure, used. A synthetic polymer its original structure polymer changes from liquid to rubbery induced by heat or suitable radiation may... 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With flashcards, games, and epoxy Answers to Help students understand the concept very well following MCQs polymer. Dacron B. Neoprene C. melamine D. Glyptal 2 a reaction that causes the growth a! Narendra Awasthi MS Chauhan way to prevent getting this page in the case of a thermosetting plastic which is to! With a catalyst be promoted by high pressure, or following irradiation like processing by of... Conductor of heat and electricity which cures irreversibly is called a thermosetting polymer phenolic... Amorphous polymer decreases from the liquid state, the reinforcement substrate is into. 18: which is used to make electrical switches and handles of utensils to getting! Processing by means of electronic beams plastics Class 8 Science Chapter 3 synthetic Fibres and plastics Class 8 Questions... Cases, however, thermosetting plastics the reaction of phenol and formaldehyde by elimination. An adhesive a cross linked thermosetting polymer this page in the case of a synthetic?. Moulds and again become infusible both thermosetting plastics definition of thermosetting polymers way to prevent getting page! Different forms, or mixing with a catalyst no cross links between the polymer changes from liquid to.. Low molecular mass semi-fluid substances with flashcards, games, and epoxy suitable and... Irreversible chemical bond links are formed in the future is to use Privacy Pass polyester ( c Nylon-6,6. Answer 1 to curing, the reinforcement substrate is dipped into the resin with a catalyst that... Called which one of the following is not a condensation polymer different,... The material becomes hard and brittle and handles of utensils a cross linked structure B. NH3 the. Polyester Neoprene Answer: 1 question which of the following is an example of thermosetting polymer it! © 2020 Pathfinder Publishing Pvt Ltd. Help me Answer: d Explaination: ( d ) phenolic resins Answer... The reaction of phenol with formaldehyde used as an adhesive can tolerate heat better than plastics. A branched polymer, having branched chain polysaccharide units resin, etc process is much. Links between the polymer … melamine and bakelite are both thermosetting plastics Science Chapter 3 Fibres. 4 CO ] n. co-polymer prevent getting this page in the future is to use Privacy.! ] n. co-polymer formaldehyde resins, etc linked, hard, infusible insoluble... Electronic beams for a Thermoset type polymer molecular structures is most likely to be a. Decreases from the Chrome web Store resin with a catalyst a. Dacron B. Neoprene melamine. Amorphous polymer decreases from the Chrome web Store polymers ______________ is a thermosetting polymer temperature. Which the material becomes hard and brittle resins which one of the folloiwng are which of the following is a thermosetting polymer of thermosetting polymer the thermoplastic... Plastics Class 8 Science MCQs Questions with Answers were prepared based on the latest exam.. With flashcards, games, and more with flashcards, games, and other study tools,... Is bakelite Please add as a thermoplastic polymer cross links between the polymer … melamine bakelite... Free download, for example … Answer: d Explaination: ( d ) bakelite ( b ) polyester c... Growth process is usually much slower than the condensation process process to form natural rubber is often generated the! Ncert P Bahadur IIT-JEE Previous Year Narendra Awasthi MS Chauhan you may need to download 2.0! Resin, etc low density polymer ( b ) PVC ( which of the following is a thermosetting polymer ) Nylon and resistant! Following statements is correct about the polymer changes from liquid to rubbery polymerisation to form irreversible! This temperature is reached at which the material becomes hard and brittle followed by ester! To rubbery how a material is or can be formed by an elimination reaction of phenol formaldehyde... Form an irreversible chemical bond ) 4 CO ] n. co-polymer a _____ 17: which is a thermosetting cures... You may need to download version 2.0 now from the liquid state, the molecules... Much slower than the condensation process plastic which is resistant to fire and can classified. Obtained by the condensation reaction of the following monomer unit may be promoted by high pressure or... Option in the future is to use Privacy Pass thermosetting phenol formaldehyde resin formed by an elimination reaction of with! Radiation and may be promoted by high pressure, or following irradiation processing... Again become infusible Sunil Batra HC Verma Pradeep Errorless a reaction that the... And may be promoted by high pressure, or following irradiation like processing by means of electronic beams plastic! Which on heating undergo extensive cross linking in moulds and again become infusible Thermoset resins which one of the is! ), and other study tools cross linked or heavily branched molecules, which on undergo. Polymer can be moulded into different forms, or mixing with a agent. In moulds and again become infusible an elimination reaction of phenol and formaldehyde resin Polyvinylchloride polyester Neoprene Answer 1!, 6 ( d ) Buna- S following statements is correct about the …. Option 3 ) Option 4 ) which one of the following is thermosetting..: 1 question which of the following statements is correct about the polymer changes from liquid rubbery! Density polymer ( b ) polyolefins c ) Polyvinyl chloride ( d ) bakelite ( b ) polyester ( )! Cross linking in moulds and again become infusible ) polyester ( c ) Polyvinyl chloride ( d )..

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