Environmental Sciences, asked by jaswant101kumar, 1 month ago

1. The fibre that burns readily with smell of burning paper is - b. Cotton a. Polyester C. Rayon d. Acrylic 2. Nylon is a polymer which is termed as - a. Polyamide b. Polyester C. Polyamine d. Polyvinyl 3. Which of the following is a polymer of tetrafluoroethene? a. PVC b. Teflon C. Bakelite U d. Nylon 4. Which of the following is a thermosetting plastic ? a. PVC b. Teflon C. Bakelite d. Nylon 5. Which of these fibres is made from raw material obtained from plants? a. Rayon b. Nylon C. Terylene d. Polyester 6. is obtained from hair of an animal. b. Nylon C. Cotton d. Wool a. Silk​

Answers

Answered by ranikumarimishra2020
1

Synthetic Fibres and Plastics Class 8 Science Chapter 3 as per NCERT Book used in CBSE and other Schools. The lesson covers the complete explanation of class 8 Chapter 3 Synthetic Fibres and Plastics. Topics covered are Introduction to fibres, kinds of fibres. Different types of synthetic fibres like, Rayon fibres, Nylon fibres, Polyester fibres and Acrylic fibres have been explained. The lesson also covers Plastic- Its types and its advantages and disadvantages. The lesson covers all important questions based on Synthetic Fibres and Plastics. NCERT solutions to book questions have also been provided for ease to the students.

Answered by UjjwalGAMERZ
1

Answer:

the process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a by-product

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