Contact us for your Swiss made TCU! Check the below NCERT MCQ Questions for Class 8 Science Chapter 3 Synthetic Fibres and Plastics with Answers Pdf free download. Odd one out: choose the letter of the word that is not related from the other choices. Polywool is a mixture of: ... Bakelite is obtained from phenol by reacting with [AIEEE 2008] A. HCHO. Plastics which gets deformed easily on heating and can be bent easily are known as …………………, Question 2. Natural rubber has the trans-configuration at every double bond. Which of these fibres is made from raw material obtained from plants: Which of the following is a thermosetting plastic: 1. Question 1. Most Polymers Used In 3D Printing Applications Are Thermoplastic. 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Polywool is a mixture of polyester and wool. (b) therniosetting plastic Question 1. We should wear ………………… clothes in the kitchen. (a) plastic toys An electric cell converts chemical energy into electrical energy. HIPS ? (i) chemical molecules formed naturally like silk, cotton etc. 13. (d) nylon. Teflon is used to make non-stick cookwares. (d) nylon. (a) plastics (d) bakelite Check the below NCERT MCQ Questions for Class 6 Science Chapter 12 Electricity and Circuits with Answers Pdf free download. (d) iron wastes. 22. Question 20. (d) nylon Polycot is a mixture of: Preview this quiz on Quizizz. How long will the footprints on the moon last? Write the importance of synthetic polymers in our life. (c) wool PVC (polyvinyl chloride) is a thermoplastic and is used for making toys, chappals, etc. TRUE ? Which of the following is used for making parachutes and stockings: (b) glass Explain why some fibres are called synthetic. NCERT Class 12 Chemistry Exemplar for Chapter 15 Polymers provide you polymer questions multiple choice, polymer MCQ for NEET, Fill in the blanks, Match the following, True or False, Worksheets, polymers Class 12 important questions, exercises and assignments. Wood pulp is used for preparation of: Wood is a natural substance where as plastics, cement and glass are man-made substances. Nylon is used for making parachutes and stockings. Plastic is environmental friendly. Start studying True /False Industrial. (b) fructose (d) polyester. What precautions should you use when working in an area with a large number (b) plastic bowls Cellulose polymer is present in wood, Question 27. Nylon was prepared from ……………………., ………………… and ……………………, Question 11. When did organ music become associated with baseball? The fibre that burns readily with smell of burning paper is: Polymerization of thermoplastic resin can be accelerated through the use of pressure and heat. It cannot be reused. Melamine is not thermoplastics, it is thermosetting plastic. Which of the following is not thermoplastics: Wool is a natural fibre obtained from plants. A long chain like molecule consisting of a large number of simple small molecules joined to each other by chemical bonds is called polymer. On burning, plastics release ………………… gases. (b) cellulose Question 22. Polycot is a mixture of polyester and cotton. (d) none of these. (b) polyester and cotton Fabrics made of …………………. (d) nylon. Which of the following garbage is biodegradable: Polymer present in plants is: ... bakelite Bakelite is a thermosetting plastic. III. Question 12. 2. Question 4. Explain the difference between thermoplastic and thermosetting plastics. Rayon is made from cellulose obtained from wood pulp. 3. (b) polyester [CBSE AIPMT 2012] A. MCQ Questions for Class 8 Science with Answers were prepared based on the latest exam pattern. 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