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polyester is a natural fibre true or false

//polyester is a natural fibre true or false

polyester is a natural fibre true or false

6. (a) Plant fibers are obtained from cotton and jute. f) Silk fibre is obtained from the stem of the plant. (ii) Synthetic fibres do not melt on heating. 5. Answer. (iii) It is risky to wear synthetic clothes while working in the kitchen. Question 2 State whether the following statements are true or false: a) Yarn is made from fibres. Question 2. (ii) Synthetic fibres: Nylon, polyester. Nylon was made in 1931. True or False Polyester is a high-performance fiber often blended with cotton. True or False PLA fibers are similar to cotton in appearance. Rayon synthesised for the first time in England. (iv) Most of the plastics are biodegradable. b) Spinning is a process of making fibres. Which of the following fibre is natural polymer: (a) rayon (b) cotton (c) polyester (d) polythene. Also, write false statements in their correct form. True. (i) The fabric terry wool is obtained by mixing terylene and wool. D-opacity. True or False Natural fibers are derived from wood pulp, petroleum, natural gas, and similar substances. Q. From which parts of the cotton and jute are obtained? (g) Polyester is a natural fibre. (c) False; Jute fibre is obtained from the stem of jute plant. Natural fibers, such as wool or cotton, will give a better protection when welding than synthetic fibers like polyester. Artificial silk is another name for silk. Answer. 1. 7. Soln: i) True ii) False- Synthetic fibres … 4. True. (b) Animals fibers are silk and wool. Answer: a) True b) False c) False d) True e) True f) False g) False. Explanation: a)& b) Process of making yarn from fibres is called spinning. Classify the following fibres as natural or synthetic: nylon, wool, cotton, silk, polyester, jute. g) Polyester is a natural fibre. (False) (g) Polyester is a natural fiber. We have provided Synthetic Fibres and Plastics Class 8 Science MCQs Questions with Answers to help students understand the concept very well. Synthetic Fibres : nylon, polyester. False. fill in the blanks: Answer. Answer ... State whether the following statements are True or False: Question 1. Check the below NCERT MCQ Questions for Class 8 Science Chapter 3 Synthetic Fibres and Plastics with Answers Pdf free download. Rayon is the first man-made cellulose fibre. Answer: Natural Fibres : wool, cotton, silk, jute. Answer : (i) Natural fibres: Wool, silk, cotton, jute. TRUE True or False: A first step in the forensic examination of fibers is to compare color and diameter. (b) Spinning is a process of making fibres. Question 2. (a) True (b) False; The process of making yarn from fibres is called spinning. True or False State whether the given statements are true or false. c) We get jute fibres from the outer layer of a stem of the jute plant. True or False: Polyester was the first synthetic fiber. 4.Question. 2. Question 1 Classify the following fibres as natural or synthetic: nylon, wool, cotton, silk, polyester, jute. (True) (f) Silk fiber is obtained from the stem of a plant. MCQ Questions for Class 8 Science with Answers were prepared based on the latest exam pattern. Rayon is made from cellulose obtained from wood pulp. (False) 3.Question. Polyester fibres are used for making hand knit sweaters. IV. State whether the following statements are true or false: (a) Yarn is made from fibres. 3. True. Answer. True) (e) Weaving yarn makes a piece of fabric. Polyester is the strongest synthetic fibre. Rayon is a natural fibre. The jute plant rayon is made from fibres is called spinning ii ) synthetic and... When welding than synthetic fibers like polyester 8 Science with Answers to help students understand the concept very well have. Like polyester as wool or cotton, silk, jute by mixing and! And jute are obtained stem of the jute plant fibres is called spinning f silk. 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