True. Question 10. Q.2. A viscous solution of cellulose; A synonym of rayon; A specific term for viscose rayon — rayon made using the viscose process are obtained from natural sources plants or materials. Weaving of yarn makes a piece of fabric. Whites are washed with the light colored garments. Hence, though both are suitable for textile industry, nylon is more popular in making dresses and uniforms than rayon. I. Artificially prepared synthetic fibre which resembles silk is known as terylene. Health, 21.06.2019 16:30. Rayon is a regenerated cellulose fiber that is made from natural sources of cellulose, such as wood and related agricultural products. True / False ii) Viscose rayon was the first truly man-made fibre. Choose the correct option in the following questions: (i) Which one of the following is a synthetic fibre? true. Answer: False, silk fibre is made up of a protein. Answer: a) Yarn is made from fibres: - (True) b) Spinning is a process of making fibres: - (False) c) Jute is the outer covering of coconut: - (False) d) The process of removing seed from cotton is called ginning: - (True) Fiber to Fabric 1. Answers: 1 Show answers Another question on Health. True or false? False. 5. Silk is a natural carbohydrate fibre. iv. In the acid bath, the solution is regenerated (that's where that greenwashed term comes from) back into cellulose fiber aka rayon. The national labor relations act is also called the wagner act.true or false? 8. That's a lot of science, chemicals, and steps. True / False v) Viscose rayon is a protein fibre. (A) Yarn is made from fibres. This material, however, is less natural in comparison to cotton as the process that’s used to segment it is quite chemical-heavy. Solution: High elasticity and no wrinkling are the major advantages of nylon over rayon. (d) Weaving of yam makes a piece of fabric. I think now that you understand the viscose rayon process you would agree it's not natural at all! Ans: Rayon 7. True. Whereas nylon or polyester, fibers are purely synthetic polymers, made entirely from chemicals. Rayon is a man-made fiber created from the cellulose found in plants and trees and processed with a harsh chemical that releases hazardous air pollutants. Answer this multiple choice objective question and get explanation and result.It is provided by OnlineTyari in English (c) Jute is the outer covering of coconut. Natural polymers are the products of raw materials found in nature that can be extracted. It is a man-made fibre obtained from a natural source wood pulp. Synthetic fibres are costlier than natural fibres. Classify the following fibres as man-made and natural: (i) Nylon (ii) Wool (iii) Cotton (iv) Silk (v) Polyester (vi) Rayon (vii) Acrylic (viii) Jute 3. Answer: False, because mooga is the strongest variety of silk. Which of these is a common natural fiber? As an inexpensive fiber, rayon has often been used in low-end,poorly constructed … EASY. are manmade material used for making clothes. State whether the following are true or false and correct the false statements: • (i) Fibre is the basic unit of all fabrics. Linen. State whether the following statement is true or false: Polyester is a natural fibre. The quality of wool fibres is assessed based on several characteristics including fibre length, fineness, colour, cleanliness, damage and surface scales. Man made sources:Polyester, nylon, rayon etc. False… The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Rayon is mixed with cotton to make bedsheets or mixed with wool to make carpets. True or false? The threads or yarns are made from thin fluffy strands called fibres. Ans: [Pollymers] 8. T/F triexta is a generic name that is approved by the ftc. It was prepared from coal water and air. Concept Notes & Videos 177. Jute is the outer covering of coconut. Animal fibres are _____ and _____ . Rayon is a natural fibre- False. true or false. iii. Polyester is a natural fibre. (e) Silk fibre is obtained from the stem of a plant. 1. vi. It's made of regenerated cellulose. Spinning is a process of making fibre. rayon nylon polyester silk? Ans: Nylon 6. MCQ Questions for Class 8 Science with Answers were prepared based on the latest exam pattern. ... Rayon is an example of a man-made natural fiber. True. You can call it a synthetic fibre or a man made natural fibre. Silk fiber is obtained from the stem of a plant. A. Rayon. v. Synthetic fibres are obtained from animals. vii. Rayon is a regenerating natural fiber (cellulose fiber), which is made from the wood pulp. Rayon or Artificial Silk. Silk fibre is obtained from the stem of a plant. Polyester is a natural fiber. Question 8. Wool is a kind of animal fibre taken from hair of sheep and goats. Explanation: Workers in wool industry generally suffer from sorter's disease-True. • Classify the following fibres as man-made and natural: • (i) Nylon (ii) Wool (iii) Cotton (iv) Silk (v) Polyester (vi) Rayon(vii) Acrylic (viii) Jute 8. Advertisement. ... Cotton and wool are natural polymers. True. Which synthetic fibre is commonly used to make strong ropes? State whether the following statements are True / False: i) Cotton is a man-made fibre. Fibers: All cloth materials are made up of long, narrow, thin structures called fibers.Fibers are obtained from natural as well as manmade sources. Syllabus. True or False: The age and sex of the individual from whom a hair sample has been taken can be determined through an examination of the hair's morphological features. Natural fiber that draws heat from the body. (ii) Which is a natural fibre? (iii) Jute is … It was the first fully synthetic fibre. Is a natural fibre. Ans: Rayon 4. Mooga is the strongest variety of wool. The truth is that the process of manufacturing rayon fabric is rather challenging to comprehend. Cotton. D. Is a good conductor of electricity. Shearing is usually done in summer season-True. False. Synthetics wrinkle easily. Concept: Fibre. 6. True / False iv) A staple fibre is of infinite length. It is a fiber formed by regenerating natural materials into a usable form. Answer: True. True. Nylon is a synthetic fibre. Identify the synthetic fibre which resembles wool. Rayon is a cellulose fiber that was first produced to be a substitute for silk. Polyester is a natural fibre. Answer: True; False; False; True; True; False; False; Question: Fill in the blanks: Plant fibres are obtained from _____ and _____ . ____ is a natural fiber that is not used due to health reasons. Rayon is a synthetic fibre made from a natural source : wood pulp. Read the following statement and mark the correct answer. Which artificial fibre is made from wood pulp? Fibre to Fabric Class 6 MCQs Questions with Answers. • … D. The assertion is false but the reason is true. … True. This will clear students doubts about any question and improve application skills while preparing for board exams. The national labor relations act is also called the wagner act.true or false? The most prevalent natural plant fiber is _____. C. Nylon. Question Bank Solutions 4944. f) Silk fibre is obtained from the stem of a plant. False. Natural sources: Cotton, jute, silk, wool etc. 2. (E) Weaving of yarn makes a piece of fabric. All plastics are made of long chain molecules called -----. 3. Answer: cotton plants, jute plants; wool, silk Answer: (A) Is wrinkle free. CBSE CBSE Class 6. It has the same molecular structure as cellulose. Answer: 1 True, 2 False, 3 False, 4 True, 5 True, 6 False, 7 False (a) Nylon (b) Rayon (c) Polyester (d) All of these Answer: (d) All of these fibres are man-made. So, what other false facts are there about rayon? The process of removing seed from cotton is called ginning. (F) Silk fibre is obtained from the stem of a plant. State whether the following statements are ‘true’ or false’: (a) Yam is made from fibres. You can refer to NCERT Solutions for Class 6 Science Chapter 3 Fibre to Fabric to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams. Shearing is usually done in summer season-True viii. 1) ___Nylon A) Natural fiber that is easy to dye and may shrink slightly in the wash 2) ___Acrylic B) Natural fiber that is strong and light, and usually dry cleaned 3) ___Rayon C) Manmade fiber that is soft and may form "pills" 4) ___Cotton D) Manmade fiber that is easy to dye and is washed at low temperatures asbestos ... false. Answer. (ii) Filament are short fibres. it has a silk like appearance. D. Is a good conductor of electricity. Viscose can mean:. The assertion is true but the reason is false. (D) The process of removing seeds from cotton is called ginning. Rayon is significantly heavier than cotton. true or false. true. Fleece of sheep. It is an artificial/manmade fibre. Silkworm feeds on oak leaves. Safety pin … Question 9. State whether the following are true or false and correct the false statements: (i) Fibre is the basic unit of all fabrics. Generic name of a man-made fiber. (B) Spinning is a process of making fibres. Check the below NCERT MCQ Questions for Class 8 Science Chapter 3 Synthetic Fibres and Plastics with Answers Pdf free download. It is not a natural fiber, yet it is not synthetic. State whether the following statements are true or false. Answer: (D) ... Is a natural fibre. ... T/F drape is one of the reasons why viscose rayon, modal, and lyocell fibers are used for women's apparel. True False 0 points QUESTION 7 Please match the following: - A. Any plant or tree could be used as the cellulose source – including bamboo – but the fiber that is created is rayon. its fibres can also be woven like those of natural fibres Cotton plants are grown for fibre and their seeds can be used for preparing cooking oil. They get affected by bacterium Anthrax which causes a fatal blood disease called sorter's disease. Rayon is not considered as a synthetic fibre as it is regenerated from cellulose. Nylon . 2. g) Polyester is a natural fibre. (C) Jute is the outer covering of coconut. View Answer. true. Angora wool is obtained from a species of rabbit. Rayon is different from synthetic fibre because. NCERT solutions for Science Class 6 CBSE chapter 3 (Fibre to Fabric) include all questions with solution and detail explanation. It can be dyed in a wide variety of colors. Rayon is probably the most misunderstood of all fibers. Textbook Solutions 4993. 3. True / False iii) Coir is a cellulosic fibre. We have provided Synthetic Fibres and Plastics Class 8 Science MCQs Questions with Answers to help students understand the concept very well. it is obtained from wood pulp. This fiber can be made to resemble most natural fibers in appearance and is often used in blends. Which of the following is a true statement? False. PLA. Know answer of objective question : Which of the following is not a natural fibre?. Fiber - B Yarn - C. Fabric A . II. B. Terylene. nylon rayon polyester acetate ... but not a regenerated fiber is metal carbon rayon PLA PBO. (b) Spinning is a process of making fibres. D. Acrylic. Answer: False, because silkworms feed on mulberry leaves. True / False vi) Silk is a natural fibre. (d) The process of removing seeds from cotton is called ginning. False; True; False; True; True; True; Question 4. Other than that – both solutions are quite common. rayon false facts. 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Suitable for textile industry, nylon is more popular in making dresses and uniforms than rayon is not as...: - a and is often used in low-end, poorly constructed … 1 fibres and Plastics Class Science.

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