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CBSE Notes for Class 8 Science chapter Chapter 3. Synthethic Fibres and Plastics: Fibres And its Types, quick revision notes for Class 8 Science chapter Chapter 3. Synthethic Fibres and Plastics Fibres And its Types, Chapter-wise CBSE Revision Notes, CBSE Notes PDF Free Download, CBSE One Liner Notes Class 8, Half Yearly Revision Notes, CBSE Revision Notes Class 8 Science
Get CBSE Notes for Class 8 Science Chapter Chapter 3. Synthethic Fibres and Plastics: Fibres And its Types prepared by experts as per the latest NCERT syllabus and CBSE exam pattern. These concise and easy-to-understand notes cover important definitions, formulas, diagrams, and key concepts from the chapter to help students in quick revision and effective exam preparation. Whether you are studying for school tests, board exams, or competitive exams, these notes provide a reliable study resource. Designed in simple language with point-wise explanations, they save time and enhance learning efficiency. Download free PDF notes, explore solved examples, and strengthen your understanding of [Topic Name] for scoring high marks. Perfect for Class 8 students who want clear, structured, and exam-oriented notes for CBSE Science.
Fibre: A thread or filament like structure which is obtained from vegetable tissues or chemical substance is called fibre.
All fabrics are made up of yan which small unit is fibre.
Fabric ⇒ Yan ⇒ Fibre
Types of fibres:
(i) Synthetic fibres: The fibres which are made by the human beings is called synthetic fibres.
Example: Rayon, Nylon, polyester and Acrylic.
(ii) Natural fibres: The fibres which are obtained from plants and animal resources are called natural fibres.
Example: Cotton, Wool and Silk.
Polymers: The small units of fibres which is actually a chemical substance, such many small units combine to form a large single units is called a polymer.
Ex. Cellulose, Nylon, polyester etc.
bead units and paper click here form a long chain just like polymers.
Polymers are also two types:
(I) Natural polymers : Cellulose (cotton) is a natural polymer.
(ii) Synthetic Polymers : Nylon and polyster etc.
Cellulose : Cellulose is a special kind of carbohydrates (glucose molecules) which naturally obtained from plants.
History of silk: Silk is a natural fibre which obtained from silkworm and It was discovered in China many many years ago. Chinese kept discovery of silk as a closely guarded secret for a long time. Later silk reached all over the world through China.
Features of Silk:
(i) Fabric obtained from silk fibre was very costly.
(ii) Its beautiful texture fascinated everybody.
(iii) It is very soft fibres but very strong.
(iv) It is also a natural fibre which obtained from silkworm.
Types of Synthetic Fibres:
(A) Rayon:
(B) Nylon:
(c) Polyster and Acrylic
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Ace your exams with CBSE Notes for Class 8 Science chapter Chapter 3. Synthethic Fibres and Plastics: Fibres And its Types. These notes provide a clear explanation of important concepts, formulas, diagrams, and solved examples from the NCERT syllabus. Specially designed for Class 8 students, the notes are structured in a simple, point-wise manner to make revision quick and effective. Whether you are preparing for school tests, board exams, or competitive exams, these Science notes will boost your confidence and save valuable study time. You can also download Science class 8 chapter Chapter 3. Synthethic Fibres and Plastics free PDF notes for offline learning. With easy-to-grasp language, exam tips, and well-organized content, these CBSE Science notes on chapter Chapter 3. Synthethic Fibres and Plastics – Fibres And its Types are the perfect study companion for scoring high marks and mastering the subject.
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