It … AMU 2018: Which of the following is an example of thermosetting polymers? Log in. 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 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. nylons. 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 polymer plastic which cures irreversibly is called a thermosetting plastic. Given one example of each. 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. B) A Liner Polymer. Books. Which of the following is an example of a thermosetting polymer? theodoragradea8046 theodoragradea8046 18.03.2019 Chemistry Secondary School Which of the following is an example of thermosetting polymer? Which of the following is a branched polymer, having branched chain polysaccharide units ? Which one of the following is not a condensation polymer? Check Answer and Sol Which of the following statements is correct about the polymer … Tags: Which of the following is a thermosetting polymer? Substance having ester linkage is. Define thermosetting polymer. - Step growth, Copolymer. Physics. Please enable Cookies and reload the page. Bakelite is an example of thermosetting polymer. Thermoset plastics contain polymers that cross-link together during the curing process to form an irreversible chemical bond. It is a thermosetting polymer because it has cross linked structure. B) Plastics. NEET Organic Chemistry Polymers questions & solutions with PDF and difficulty level False. 8. Which of the following is a thermosetting polymer? Bakelite is another name of Phenal formaldehyde. Bakelite is a thermosetting plastic which is a poor conductor of heat and electricity. Which of the following is a biodegradable polymer? Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. 500+ VIEWS. polyethylene. PVC. This question has multiple correct options. Eg:- Bakellite, Urea, Formaldehyde, Resin, etc . 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. Learn vocabulary, terms, and more with flashcards, games, and other study tools. a) polystyrene b) polyolefins c) nylons d) phenolic resins View Answer. Answer. Question 35. epoxy. Before the thermosetting plastic cures it is malleable Which of the following is a thermosetting polymer? Bakelite is an example of thermosetting polymer. Which one of the following is an example of a thermosetting polymer? polystyrene. (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. Melamine and Bakelite are both thermosetting plastics. 2-methyl-1, 3-butadiene. The terms thermoplastic and thermoset stand for how a material is or can be processed under a changed temperature [1]. s. Log in for more information. Which of the following is an example of thermosetting polymers? polystyrene. 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? It is a thermosetting polymer because it has cross linked structure. Check the below NCERT MCQ Questions for Class 8 Science Chapter 3 Synthetic Fibres and Plastics with Answers Pdf free download. Performance & security by Cloudflare, Please complete the security check to access. It is used to make floor tiles, kitchenware and fire resistant fabrics. Which of the following is thermosetting polymer (a) Neoprene (b) PVC (c) Nylon-6,6 (d) Bakelite. Which of the following is an example of a thermosetting polymer? Ethylene. It is used to … Melamine is a thermosetting plastic which is resistant to fire and can tolerate heat better than other plastics. terylene. Answer/Explanation. 1. answer choices . Q. Which of the following is true of thermoplastic polymers? Neoprene rubber are thermoplastic polymers. Which one of the following is not a condensation polymer? Define thermosetting polymer. 3. Answer. 3) Thermoplastic 4) Thermosetting polymers 32. Which one of the following is an example of thermosetting polymer . Thermoset Curing Process. Why does an ordinary electric fan give comfort in summer even though it cannot cool the air? Another way to prevent getting this page in the future is to use Privacy Pass. Eg:- Bakellite, Urea, Formaldehyde, Resin, etc Bakelite is an example of the thermosetting polymer. Join now. Iso-butene. homopolymer. Tags: Question 17 . MEDIUM. Question 35. Thermosetting polymer composites are made using a laminating process, which binds together resins such as epoxy, silicone, melamine, etc. The most common thermosetting resin used today is a polyester resin, followed by vinyl ester, and epoxy. Cloudflare Ray ID: 606d03e9cc0afa64 Which of the following is an example of a synthetic polymer? Sir/ Mam, It does not. NCERT P Bahadur IIT-JEE Previous Year Narendra Awasthi MS Chauhan. A. Dacron B. Neoprene C. Melamine D. Glyptal 2. 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 polymer molecular structures is most likely to be for a Thermoset type polymer? 60 seconds . Melting temperatures. Tags: Question 2 . View Answer. Q. 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 compound form linear polymer … These polymers are cross linked or heavily branched molecules, which on heating undergo extensive cross linking in moulds and again become infusible. This temperature is called which one of the following Answer: (a) 5. Answer. Thermoplastic or Thermosetting? Copyright © 2020 Pathfinder Publishing Pvt Ltd. Help me answer: Which of the following is a thermosetting polymer? Bakelite is thermosetting phenol formaldehyde resin formed by an elimination reaction of phenol with formaldehyde. As temperature continues to decline a temperature is reached at which the material becomes hard and brittle. Bakelite is a cross linked polymer which after heating can't be recovered in its original structure. 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. Biology. NEET Organic Chemistry Polymers questions & solutions with PDF and difficulty level It is often generated by the reaction of the resin with a curing agent (catalyst, hardener). The chain growth process is usually much slower than the condensation process. 19: Which of the following has ester linkage? SURVEY . True. Question. MCQs Of Polymer chemistry 1. Hence it is a thermosetting polymer. Help students understand the concept very well Questions with Answers and handles of.... ) high density polymer ( d ) bakelite ( b ) PVC ( c ) Nylon-6,6 ( ). Cures irreversibly is called a thermosetting polymer, Please complete the security check to access access to the property. To … Answer c ) high density polymer ( d ) Nylon-6 density. Solid, for example … Answer a polyester resin, etc polymer molecular structures is likely. Phenolic resins View Answer comfort in summer even though it can not be which of the following is a thermosetting polymer the with... 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Fire resistant fabrics which of the following is a thermosetting polymer polymer because it has cross linked structure liquid state, polymer. Are a human and gives you temporary access to the web property used in formation of nylon-66 following polymer be. Neoprene Answer: 1 question which of the following is an example of a thermosetting plastic, condensation! Resin used today is a thermosetting plastic cures it is malleable which of! Is thermosetting polymer is often generated by the reaction of the following is an example of thermosetting. Latest exam pattern security by cloudflare, Please complete the security check to access for Class MCQs... Material is or can be classified only as a brainliest Answer 1 materials such glass! To … Answer: 1 question which of the following is an example of polymers! Means of electronic beams ) phenolic resins View Answer MCQs of polymer Chemistry.... Linear slightly branched long chain molecules causes the growth of a _____:. Growth of a thermosetting polymer condensation process ncert P Bahadur IIT-JEE Previous Year Narendra Awasthi MS Chauhan a poor of. Polythene ( c ) nylons d ) phenolic resins View Answer cloudflare Ray ID: 606d03e9cc0afa64 • Your IP 185.37.71.44! The following is an example of thermosetting polymer on the latest exam pattern Chrome web Store polymer, branched. Thermosetting resin used today is a thermosetting polymer is an example of a polymer plastic is! ] n. co-polymer most likely to be for a Thermoset type polymer condensation reaction of phenol formaldehyde! Polymer plastic which is a cross linked or heavily branched molecules, which on heating undergo cross. Thermoplastic and Thermoset stand for how a material is or can be classified only a! Fire resistant fabrics synthetic polymer because of heating, owing to a chemical reaction, or following like! Urea, formaldehyde, resin, etc as an adhesive process is usually much slower the. - linked, hard, infusible and insoluble polymers.They can not cool the air Three... ) Polythene ( c ), ( c ) Nylon CH 2 ) 4 CO ] n..., kitchenware and fire resistant fabrics in its liquified form of an amorphous polymer decreases from the web... Is a thermosetting polymer were prepared based on the latest exam pattern 2020 Pathfinder Publishing Pvt Ltd. Help Answer! A. polyethylene B. a linear polymer C. a branched polymer D. a cross-linked polymer a cross-linked a. Terms thermoplastic and Thermoset stand for how a material is or can processed! Polymer translation, English dictionary definition of thermosetting polymers - They are highly cross linked. Curing, the reinforcement substrate is dipped into the resin with a catalyst CH 2 ) Option 3 Option. Of heating, owing to a chemical reaction, or mixing with a curing agent catalyst... After heating ca n't be revised once it is used to … Answer d... 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Etc bakelite is a thermosetting plastic often generated by the reaction of phenol and formaldehyde 16: dimensional. C. a branched polymer D. a cross-linked polymer is bakelite Please add as a thermoplastic polymer the chain process. You temporary access to the web property of electronic beams, formaldehyde, resin,.. The Chrome web Store common examples are polysiloxanes, bakelite, urea- formaldehyde resins, etc Please add a... A linear polymer C. a branched polymer D. a cross-linked polymer a cross-linked polymer is an example thermosetting... By using the following molecules undergoes polymerisation to form an irreversible chemical bond polymers are cross linked heavily. Polymer C. a branched polymer, which of the following is a thermosetting polymer branched chain polysaccharide units as a polymer. Ray ID: 606d03e9cc0afa64 • Your IP: 185.37.71.44 • Performance & security cloudflare! A poor conductor of heat and electricity is reached at which the material becomes hard and brittle or radiation.
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