We hope the given NCERT MCQ Questions for Class 8 Science Chapter 3 Synthetic Fibres and Plastics with Answers Pdf free download will help you. D. Buccal drug delivery systems . c) Adhesives Size based systems. Plastics are polymers, so polymers can be extremely useful. Name some artificial fibres. Practice more on a regular basis with these NEET Chemistry objective questions on air pollution and improve your subject knowledge & problem-solving skills along with time management. This test is Rated positive by 92% students preparing for Class 12.This MCQ test is related to Class 12 syllabus, prepared by Class 12 teachers. Name the basic component of animal fibres. 2. c) Biodegradable polymers are an attractive option for addressing the solid waste and marine pollution One should spend 1 hour daily for 2-3 months to learn and assimilate Polymer Engineering comprehensively. D. non-reactive. We have provided Synthetic Fibres and Plastics Class 8 Science MCQs Questions with Answers to help students understand the concept very well. 2. Polymers are macromolecules formed by joining a large number of small molecules or monomers in a chain. Novolac, the linear polymer used in paints is (a) copolymer of buta 1, 3-diene and styrene (b) polymer of methyl methacrylate (c) condensation polymer of phenol and HCHO (d) copolymer of melamine and HCHO. C. Nylon-6. Answer: (d) 7. c) Nylon. (Engineering Chemistry) 6 Contents Gigatech Publishing House Igniting Minds 4. 5. In contrast to the majority of industrial polymers, biodegradable polymers are supposed to mineralize into water, carbon dioxide, and biomass once they end up in the environment. Natural rubber. b) Environment conditions 2C 6 H 5. Biodegradable polymer which can be produced from glycine and aminocaproic acid is. Wrong! Plastics are polymers, so polymers can be extremely useful. Answer. B. Adipic acid and hexamethylene diamine. Synthetic fibres and Plastics MCQ Chapter 3 class 8 science Objective questions with answer key and explanation. Answer: (a) 6. Contents1 NEET Chemistry Chapter Wise Mock Test – Polymers1.1 Answers:1.2 Hints And Solutions: NEET Chemistry Chapter Wise Mock Test – Polymers Question 1. Release the drug along the entire length of GIT. b) Medical applications View EC_MCQ_3.pdf from CS,MATH IT101 at Singhad College Of Nursing , Pune. Our 1000+ Polymer Engineering questions and answers focuses on all areas of Polymer Engineering subject covering 100+ topics in Polymer Engineering. Polymers are considered to be either amorphous or crystalline although they may not be completely one or the other. Class 8 Science Chapter 3 MCQ with complete explanation are given below. What is a polyester composed of? Starch is a versatile material that potentially can be used in polymer technology to produce synthetic polymers and create biopolymers through a fermentation process. Synthetic Fibres and Plastics Class 8 Extra Questions Science Chapter 3 Synthetic Fibres and Plastics Class 8 Extra Questions Very Short Answer Questions Question 1. Students can solve NCERT Class 12 Chemistry Polymers MCQs Pdf with Answers to know their preparation level. There more than 100 questions with answers based on Class 8 Science Chapter 3 NCERT Textbook. Which of the following monomers form biodegradable polymers? 8. Here, you will discover the NEET Chemistry MCQ Questions for all Concepts as per the latest syllabus. Related: MCQs ON Current Electricity (Physics) A. Cellulose. Skip to main content Organic ninjas The best way to practice organic chemistry mcq for IIT , JEE MAINS , NEET , Topic wise mcq … Which of the following is a secondary air pollutant? c) Polyanhydrides PHBV. 1. d) All of the above 7 Which of the following is Non-biodegradable. 31) What is the characteristic of colonic release systems? B. 1. nylon 2-nylon 6. Which of the following is a biodegradable polymer? conductive polymer have highly conjugated double bonds in their backbone but an aromatic polymer (e.g. b) Biodegradable polymers are very expensive Your email address will not be published. le des polymères sont les substances avec de grosses molécules ou une chaîne de molécules. Which of the following monomers form biodegradable polymers? The polymer used in making hair synthetic hair wigs is mage up of (A) CH 2 =CHCl (B) CH 2 =CHCOOCH 3 (C) C 6 H 5 CH=CH 2 (D) CH 2 =CH-CH=CH 2. © 2011-2020 Sanfoundry. C. conversion of monomers to monomer ion by protons. Wrong Answer Wrong Explanation Wrong Question Question not related to topic Spelling Mistakes. Website not working properly (1) (2) (3) (4) 3.15 Biodegradable polymers 3.15.1 Conducting polymers 3.16 Liquid Crystal polymers (LCP) 3.17 Liquid Crystal Phase 3.17.1 Types of Liquid Crystals 3.18 Electroluminescent polymers 3.18.1 Mechanism 3.18.2 (PPV or polyphenylene vinylene) 3.18.3 Fibre reinforced plastic (FRP) as a polymer composite . These topics are chosen from a collection of most authoritative and best reference books on Polymer Engineering. Avant de répondre à cette question, voyons d’abord quels sont les polymères. MCQ quiz on Plastics multiple choice questions and answers on Plastics MCQ questions quiz on Plastics objectives questions with answer test pdf. Chemistry (SPPU) M3-21 Synthetic Organic Polymers Q. A. d) Adhesives a) Thermosetting plastics. The polymer used in making hair synthetic hair wigs is mage up of. Answer: Cotton Question 2. Polythene and PVC are examples of a) Biodegradable substance b) Thermosetting plastics c) Thermoplastics d) Rayon 3. This test is Rated positive by 92% students preparing for Class 12.This MCQ test is related to Class 12 syllabus, prepared by Class 12 teachers. Wrong! C 6 H 5 CO. O. This set of Engineering Chemistry Multiple Choice Questions & Answers (MCQs) focuses on “Biodegradable Polymers”. B. good insulators. F.E. Name a natural fibre. C. durable. Answer: (D) non-reactive. A natural linear polymer of 2-methyl-1, 3-butadiene becomes hard on treatment with sulphur between 373 to 415 K and —S—S— bonds are formed Polystyrene. Which among these is artificial silk? B. coordination reaction between monomers. D. Use of high or low density pellets. 1. View Answer, 8. Ether. Which of the following does not undergo additional polymerization? the repetition of monomer units can be linear branched or interconnected to form three dimensional networks. DiSK is a Digital Study Kit developed exclusively for Telangana Intermediate Students in association with Board of Intermediate Education, Telangana State. Polythene and PVC are examples of a) Biodegradable substance b) Thermosetting plastics c) Thermoplastics d) Rayon 3. A full revision with question-answer and explanation in the form of MCQs based on latest CBSE Syllabus for new academic session 2020-2021. The polymer composed of two different monomer units. D. Nylon 6, 6. a) Larger _ Engg. The word “Polymer” is derived from two Greek words, ‘Poly’ that means many (numerous) and ‘Mer’ which means units. Which of the following is a biodegradable polymer? Biodegradable polymers do not need to be land-filled, they will re-enter normal geo-chemical cycles over time. These MCQ Questions on Synthetic Fibres and Plastics Class 8 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. b) False C. Usage of bio adhesive polymer. c) Lignin These monomers’ small repeating units react chemically to form long molecules. The free radical formed from benzoylperoxide initiator during initiation of polymerisation is ____. Question 15. 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Answer: Protein Question 3. Polymer formation from monomers starts by [AIEEE 2002] A. condensation reaction between monomers. 6. Answer: Nylon, terylene, PET, acrylic, teflon, etc. D. Rubber. TWO MARKS QUESTION: 11) Write a short note on biodegradable polymer with the help of an example. Biodegradable polymer which can be produced from glycine and aminocaproic acid is (a) nylon 2-nylon 6 (b) PHBV (c) buna-N (d) nylon-6, 6 Have a glance at the MCQ of Chapter 3 Science Class 8 and cross-check your answers during preparation. Plastics do not react with the chemicals present in the pickle and do not corrode easily. 10) Why is Bakelite a thermosetting polymer? View Answer, 5. Which of the following is not required for the biodegradation process? Chemical properties of the polymer depend on the molecular mass, size and structure of the polymer. Crystalline polymers are more correctly termed semicrystalline as the measured densities for perfect materials differ from those obtained for such polymers. Related: MCQs ON Current Electricity (Physics) A. In basic terms, a polymer is a long-chain molecule that is composed of a large number of repeating units of identical structure. Free PDF Download of CBSE Science Multiple Choice Questions for Class 8 with Answers Chapter 3 Synthetic Fibres and Plastics. Biodegradation will be more for ____________ Download CBSE Class 8 Science Synthetic Fibres and Plastics MCQs in pdf, Science chapter wise Multiple Choice Questions free, Chapter 3Synthetic Fibres and Plastics 1 A chain of small chemical units combined to form a large single unit is called ____a) Polymerb) Polyc) Polythene Polythene and PVC are examples of (a) Bio degradable substance (b) Thermosetting plastics (c) Thermoplastics (d) Rayon. 2C 6 H 5 CO. O. Here we have provided NCERT Exemplar Problems Solutions along with NCERT Exemplar Problems Class 12.. a) True b) False View Answer. Answer: (D) Ester. Polymers. 3. buna-N. 4. nylon-6, 6 A. Mucoadhesive systems . Professionals, Teachers, Students and Kids Trivia Quizzes to test your knowledge on the subject. Question from very important topics are covered by NCERT Exemplar Class 12.You also get idea about the type of questions and method to answer in your class 12th examination. View Answer, 6. poly styrene) may have a pendent aromatic group which are not in backbone. D. Polythene . Once you are finished, click the button below. 14. View Answer, 3. Polymer composites: Fiber reinforced plastic (FRP)- Glass reinforced and Carbon reinforced polymer composite [B] Nanomaterials: Introduction, classification of nanomaterials based on dimensions (zero dimensional, one-dimensional, two-dimensional and three-dimensional), structure, properties and applications of graphene and carbon nanotubes, quantum dots (semiconductor nanoparticles). b) Silk. These identical structures, we understand as a unit made up of two or more molecules, join together to form a long chain. Protein. Join our social networks below and stay updated with latest contests, videos, internships and jobs! View Answer. The mass average molecular mass & number average molecular mass of a polymer are respectively 40,000 and 30,000. The polymer containing strong inter molecular forces e.g. Que sont les polymères biodégradables? One ongoing development focuses on biodegradable plastic made from a synthetic-base polymer, such as polylactic acid and polycaprolactone, with added synthesized selected nanoparticle starches. 131 Kevlar polymer in the structure of chain contains _ (a) The solved questions answers in this Test: Synthetic Fibres And Plastics - 3 quiz give you a good mix of easy questions and tough questions. b) Plastic bag, c) Cotton cloth. The condensation polymer among the following is [Karnataka CET 2009] A. ) What is the scoring paper in the production of nylon-66 are Enteric coating is for. 11 ) Write a short note on biodegradable polymer which can be produced from glycine and aminocaproic is., Material: Metals & Non-Metals 1 paints 9 form three dimensional networks 100+ topics polymer. Mcqs PDF with Answers were prepared based on the molecular mass, size and structure of the Synthetic polymer! 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