MEDIUM. True. 2-methyl-1, 3-butadiene. answer choices . Prior to curing, the reinforcement substrate is dipped into the resin binder in its liquified form. THERMOSETTING POLYMER. Which of the following is true of thermoplastic polymers? View Answer. False. Tags: Question 17 . Question 35. Ex-Bakelite Which of the following polymer types is more amenable to recycling? 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. Thermosetting plastics do not melt when heated. Ethylene. polythene. 500+ VIEWS. Asked 6/28/2014 1:45:27 PM. Which one of the following is an example of a thermosetting polymer? A. polyethylene B. a linear polymer C. a branched polymer D. a cross-linked polymer View Answer. The thermosetting polymer is bakelite please add as a brainliest answer 1. Which of the following is a thermosetting polymer? Question 34. nylons. Thermoplastics, Thermosetting polymers ______________ is a reaction that causes the growth of a polymer chain. 500+ SHARES. 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. D) Proteins _____ 5. Q. Define thermosetting polymer. polyethylene. False. SURVEY . Which one of the following is not a condensation polymer? Which one of the following is an example of a thermosetting polymer? Define themoplastic and thermosetting polymers. It is a thermosetting  polymer because it has cross linked structure. Choose the correct option in the following questions: SURVEY . epoxy. Which of the following is a branched polymer, having branched chain polysaccharide units ? These cannot be reused. 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 is an example of a synthetic polymer? A. Novolac, a condensation polymer of phenol and formaldehyde is a thermosetting polymer. Bakelite is an example of the thermosetting polymer. It can cure because of heating, owing to a chemical reaction, or following irradiation like processing by means of electronic beams. 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) Cellulose (b) Polythene (c) Polyvinyl chloride (d) Nylon-6. The chain growth process is usually much slower than the condensation process. Sir/ Mam, It does not. Please enable Cookies and reload the page. (i) Heavily branched cross linked polymers. Answer: (a) 5. Sir/ Mam, It does not. - wherein. 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) Polyethylene. epoxy. Which of the following is a thermosetting polymer? 500+ LIKES. Thermosetting plastic can withstand very high temperatures. 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. Tags: Question 2 . terylene. Bakelite is a thermosetting plastic which is a poor conductor of heat and electricity. 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. 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. Which of the following is a biodegradable polymer? Tags: Which of the following is a branched 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 Bakelite is a thermosetting plastic which is a poor conductor of heat and electricity. Question 35. Thermosetting Polymers - They are highly cross - linked, hard, infusible and insoluble polymers.They cannot be reused. Which one of the following is an example of thermosetting polymer . Bakelite is an example of the thermosetting polymer. Within the class of thermosetting polymers, there are a number of different types of material that each serve unique purposes and applications. Neoprene rubber are thermoplastic polymers. Synthetic Fibres and Plastics Class 8 MCQs Questions with Answers. A polymer plastic which cures irreversibly is called a thermosetting plastic. Copyright © 2020 Pathfinder Publishing Pvt Ltd. Help me answer: Which of the following is a thermosetting polymer? A) thermosetting polymers B) addition polymers C) linear polymers D) cross-linked polymers - the answers to estudyassistant.com 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. [NH(CH 2)NHCO(CH 2) 4 CO] n. co-polymer. 8. (A) -(CH2 - --CI big| C = C H - C H2)n- (B) Image B (C) Image C (D) Im It is used to make electrical switches and handles of utensils. answer choices . Question from Polymers,jeemain,aipmt,chemistry,cbse,unit5,class12,organic-chemistry-polymers,q38,medium Which of the following is an example of thermosetting polymers? Benefits of Thermoset Resins answer choices . Bakelite is an example of thermosetting polymer. Melamine is a thermosetting plastic which is resistant to fire and can tolerate heat better than other plastics. Answer: 1 question Which of the following can be classified only as a thermoplastic polymer? (b). Answer. Thermoset Curing Process. 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; nylons. The most common thermosetting resin used today is a polyester resin, followed by vinyl ester, and epoxy. On the basis of mode of formation polymers can be classified: ... thermosetting plastics (c) both (a) and (b) (d) neither (a) nor (b) Answer. Text Solution. Which one of the following molecules undergoes polymerisation to form natural rubber? It is a thermosetting polymer because it has cross linked structure. Bakelite is thermosetting phenol formaldehyde resin formed by an elimination reaction of phenol with formaldehyde. 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 thermosetting polymer? NCERT P Bahadur IIT-JEE Previous Year Narendra Awasthi MS Chauhan. AMU 2018. homopolymer. View All. answer choices . Which of the following is an example of a thermosetting polymer? C) A Branched Polymer. 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. Tags: Which one of the following is an example of a thermosetting polymer? 60 seconds . Join now. PVC. Melamine and Bakelite are both thermosetting plastics. These cannot be reused. Answer. Which of the following is a thermosetting polymer? Question 36. Melting temperatures. 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 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. answer choices . Physics. 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? Performance & security by Cloudflare, Please complete the security check to access. NEET Organic Chemistry Polymers questions & solutions with PDF and difficulty level Bakelite is a cross linked polymer which after heating can't be recovered in its original structure. polyethylene. 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. (A) Bakelite (B) PVC (C) Nylon 6 , 6 (D) Buna- S . Learn vocabulary, terms, and more with flashcards, games, and other study tools. Urea-formaldehyde resin Polyvinylchloride Polyester Neoprene Answer : A Related Video. 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? Updated 5/29/2016 2:40:44 PM. Thermoplastics are 1) Linear polymers 2) Soften or melt on heating 3) Molten polymer can be moulded in desired shape Which of the following polymer molecular structures is most likely to be for a Thermoset type polymer? Answer: d Explanation: Phenolic resins falls under the clan of thermosetting polymers and rest are thermoplastic polymers which can be … The terms thermoplastic and thermoset stand for how a material is or can be processed under a changed temperature [1]. Thermosetting polymer composites are made using a laminating process, which binds together resins such as epoxy, silicone, melamine, etc. addition polymer. 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… Answer/Explanation. Thermosoftening plastics have no cross links between the polymer molecules. 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. polystyrene. 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