Ethylene. 2-methyl-1, 3-butadiene. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. Which one of the following is not a condensation polymer? Prior to curing, the reinforcement substrate is dipped into the resin binder in its liquified form. NEET Organic Chemistry Polymers questions & solutions with PDF and difficulty level It can't be revised once it is processed. 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. A. Novolac, a condensation polymer of phenol and formaldehyde is a thermosetting polymer. The copolymer formed by addition polymerization of styrene and acrylonitrile in the presence of peroxide is : The polymers which once hardened can not be soften again are called Thermosetting polymer. Answer. AMU 2018: Which of the following is an example of thermosetting polymers? Thermosetting Polymers - They are highly cross - linked, hard, infusible and insoluble polymers.They cannot be reused. It is used to make electrical switches and handles of utensils. You may need to download version 2.0 now from the Chrome Web Store. Melamine and Bakelite are both thermosetting plastics. Which one of the following is not a condensation polymer? MEDIUM. Answer. SURVEY . The main physical difference is how they respond to 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. View Answer. Biology. Your IP: 185.37.71.44 Tags: Question 2 . These cannot be reused. Tags: Question 17 . It can cure because of heating, owing to a chemical reaction, or following irradiation like processing by means of electronic beams. nylons. Substance having ester linkage is. Which of the following are not thermosetting polymers? polystyrene. Which of the following polymer molecular structures is most likely to be for a Thermoset type polymer? Log in. Which compound form linear polymer … MEDIUM. Synthetic Fibres and Plastics Class 8 MCQs Questions with Answers. Report an issue . Start studying Material Science Chapter 16. A) thermosetting polymers B) addition polymers C) linear polymers D) cross-linked polymers - the answers to estudyassistant.com Thermosetting plastics are prepared from low molecular mass semi-fluid substances. 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. Benefits of Thermoset Resins Which of the following is an example of a thermosetting polymer? Semicrystalline thermoplastics are formed above their. False. J & K CET 2018. s. Log in for more information. 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. These cannot be reused. 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. B) Plastics. Sir/ Mam, It does not. - wherein. 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. Bakelite is another name of Phenal formaldehyde. 500+ LIKES. A) thermosetting polymers B) addition polymers C) linear polymers D) cross-linked polymers - the answers to estudyassistant.com Define thermosetting polymer. Rest all are thermoplastic polymer. Question 34. Another way to prevent getting this page in the future is to use Privacy Pass. terylene. 8. Answer. Which of the following is thermosetting polymer (a) Neoprene (b) PVC (c) Nylon-6,6 (d) Bakelite. Tags: Question 18 . Check Answer and Sol Which of the following is a thermosetting polymer? 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. 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.. polyethylene. Physics. Bakelite is an example of thermosetting polymer. answer choices . polyethylene. B) A Liner Polymer. 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. Log in. Which of the following statements is correct about the polymer … Curing is induced by heat or suitable radiation and may be promoted by high pressure, or mixing with a catalyst. Melamine is a thermosetting plastic which is resistant to fire and can tolerate heat better than other plastics. Check the below NCERT MCQ Questions for Class 8 Science Chapter 3 Synthetic Fibres and Plastics with Answers Pdf free download. Which compound form linear polymer due to H-bond? Cloudflare Ray ID: 606d03e9cc0afa64 answer choices . Which of the following polymer can be formed by using the following monomer unit? The terms thermoplastic and thermoset stand for how a material is or can be processed under a changed temperature [1]. Answer. Question 35. Bakelite is an example of the thermosetting polymer. The thermosetting polymer is bakelite please add as a brainliest answer 1. In some cases, however, thermosetting plastics are solid, for example … Thermoplastics are 1) Linear polymers 2) Soften or melt on heating 3) Molten polymer can be moulded in desired shape Bakelite is a thermosetting plastic which is a poor conductor of heat and electricity. Which of the following is a thermosetting polymer? NEET Organic Chemistry Polymers questions & solutions with PDF and difficulty level The most common thermosetting resin used today is a polyester resin, followed by vinyl ester, and epoxy. Given one example of each. Which one of the following is an example of a thermosetting polymer? Eg:- Bakellite, Urea, Formaldehyde, Resin, etc . It is a thermosetting polymer because it … 8. Glyptal polymer is obtained from glycol by reacting with (a) malonic acid (b) phthalic acid (c) maleic acid (d) terephthalic acid. False. 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. 19: Which of the following has ester linkage? This temperature is called which one of the following - wherein. Phenol formaldehyde resin/ Bakellite/ Novolac - - Obtained by the condensation reaction of phenol with formaldehyde. Which of the following is a thermosetting polymer? View Answer. Thermosoftening plastics have no cross links between the polymer molecules. nylons. Tags: Question 2 . Which of the following is 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. Before the thermosetting plastic cures it is malleable and can be moulded into different forms, or used as an adhesive. Ex-Bakelite Thermosetting plastic can withstand very high temperatures. Answer: d Explanation: Phenolic resins falls under the clan of thermosetting polymers and rest are thermoplastic polymers which can be … 7. Which of the following is an example of a thermosetting polymer? Melting temperatures. Asked 6/28/2014 1:45:27 PM. 3) Thermoplastic 4) Thermosetting polymers 32. Answer: 1 question Which of the following can be classified only as a thermoplastic polymer? The chain growth process is usually much slower than the condensation process. Neoprene rubber are thermoplastic polymers. C) A Branched Polymer. Q. Which of the following is a thermosetting polymer? Q. Define thermosetting polymer. answer choices . a) polystyrene b) polyolefins c) nylons d) phenolic resins View Answer. 3) Thermoplastic 4) Thermosetting polymers 32. 1. 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.. False. 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. Bakelite is an example of thermosetting polymer. Define themoplastic and thermosetting polymers. Books. Heat is not necessarily to be applied externally. AMU 2018: Which of the following is an example of thermosetting polymers? It is a thermosetting polymer because it has cross linked structure. A. Dacron B. Neoprene C. Melamine D. Glyptal 2. Eg:- Bakellite, Urea, Formaldehyde, Resin, etc Bakelite is an example of the thermosetting polymer. Which of the following is a biodegradable polymer? Learn vocabulary, terms, and more with flashcards, games, and other study tools. Bakelite is a cross linked polymer which after heating can't be recovered in its original structure. (a) low density polymer (b) polyester (c) high density polymer (d) nylon. 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