polyester is a natural fibre true or false

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