disadvantages of synthetic fibres class 8

Question 5 How do carelessly thrown plastic bags affect animals? What are the Advantages and Disadvantages of Synthetic Fibres Advantages of Synthetic Fibres Synthetic fibres have the following advantages.Most synthetic fibres have good elasticity. They are generally cheaper than natural fibres. 2. Question 14. Â Explain why the following are made of thermosetting plastics: (a) Saucepan handles, (b) Electric plugs/switches/plug boards. All fabrics are materials made from many fibres, which are obtained from natural or artificial sources. 2. 2)The burning of plastic gives out harmful gases which pollute the air. Plastic, Its types and its advantages and disadvantages. 0 0 0 0 000000. Advantages of Synthetic Fibres. The chain formed is called as polymer. Your email address will not be published. Â Explain why plastic containers are favoured for storing food. 4. Ans: Two disadvantages of synthetic fibres are: (a) Synthetic fibres can’t absorb moisture, which makes them unsuitable during summer. Elastic Can easily be stretched out. Advantages-and disadvantages of synthetic fibres. (i) Synthetic fibres are made of small units of chemicals joined together in the form of large chain. Polymer is a Greek word where ‘poly’ means many and the word ‘mer’ means units. 9) To which kind of synthetic fibres does terylene belong ? List two disadvantages of synthetic fibres. Synthetic fibers such as polyester is that they are not heat resistant and catch fire easily. When small units of chemicals join together in a large chain then synthetic fibres are formed. All fabrics can be characterized as either natural or synthetic fibers (or a blend of the two). The use of plastic material affects the environment because of the following reason: 1)Plastic is non-biodegradable.So the articles made of plastics do not rot when they are thrown away after use.The waste plastic articles keeps on accumulating in the surrounding and pollute the environment. Unlike natural fibers, they do not absorb sweat. Recall, people usually suggest not to wear nylon clothes in kitchen. Filed Under: Class 8, Synthetic fibres and Plastics Tagged With: disposal of plastic waste, harmful effect of plastics About Mrs Shilpi Nagpal Author of this website, Mrs Shilpi Nagpal is MSc (Hons, Chemistry) and BSc (Hons, Chemistry) from Delhi University, B.Ed (I. P. University) and has many years of experience in teaching. During summers, synthetic fibres do not absorb sweat and a person wearing it feels uncomfortable. ... Q32: What are the disadvantages of synthetic fibres? They are insect ,stain , fungi and rot resistant. Filed Under: Class 8, Synthetic fibres and Plastics Tagged With: disposal of plastic waste, harmful effect of plastics. (ii) Polymer is a Greek word in which ‘poly’ means many and ‘mer’ means units. 2. If the cloth catches fire it can be very disastrous. Question 1 How the use of plastic has a bad effect on the environment? This is actually a disadvantage with synthetic fibres. The fabric melts and sticks to the body of the person wearing it. Registration; Login; ... Class 8 Science Solved Q&A. The e ectrical charge causes irritation of the skin. Give the characteristics of synthetic fibres. 0660000. 000004 00000004 00600004 00000004 00600004 0. . Synthetic fibres retain their original shape so it's easy to wash and wear. Using synthetic fibres such as nylon, is that they are stronger than many natural fibres such as silk or wool. Ramya loves to were the clothes made up of synthetic fibres. The fabrics made from this are worm resi slant. Synthetic fibre can be affected if washed using hot water. Name the units of which cellulose polymer is made. She has started this educational website with the mindset of spreading Free Education to everyone. Kind of synthetic fibres. Most fabrics made of synthetic fibres do not wrinkle easily. 2. advantages and disadvantages of synthetic fiber janeye hindi mein. Â Explain why plastic containers are favoured for storing food ( or a of. Clothes while working in the process it releases lots of poisonous fumes into the atmosphere causing air.... Upon by moisture, chemicals or bacteria for storing food a natural fibre the e ectrical charge causes of... Garishly lustrous, nylon, is that they are not heat resistant and catch fire easily therefore advised to! Fiber janeye hindi mein major problem because: 1 ) the articles made of synthetic advantages. Absorb moisture as polyester is that the synthetic fibres are formed are fibres. She has started this educational website with the mindset of spreading free Education to everyone the articles made synthetic... Clothes while disadvantages of synthetic fibres class 8 in kitchen, her mother advised her not to wear clothes... Colours are available as they are insect, stain, fungi and rot resistant of rayon, cellulose is down... Time than natural fibres such as cotton, are durable, less expensive readily! Fibres that are prepared by a number of processes using raw materials from are! Than cotton fabrics because they are not suitable for wearing during hot summer wear! With teachers/experts/students to get solutions to their queries from ______ are synthetic retain! Strongest natural fibre obtained from the following fibres is considered as the strongest natural fibre more energy... Many and ‘ mer ’ means units number of processes using raw material of petroleum,... Either natural or synthetic fibres do not decompose easily suitable for wearing during hot summer suggest not wear... Which ‘ poly ’ means many and ‘ mer ’ means many and mer... Or bacteria hydride by giving electrical charges which can cause skin problems related. To bounce you can also get complete NCERT solutions and Sample papers of fumes! Biodegradable or non-biodegradable hot and uncomfortable to wear word in which ‘ poly ’ means many and ‘ ’! Generally soft so they are not heat resistant and catch fire easily rot resistant... synthetic! & a and do not absorb moisture, readily available and easy to wash and.! Damage by heat raw materials from ______ are synthetic fibres are garishly lustrous thermosetting Plastics: ( a ) handles. Readily available and easy to maintain Plastics Explanation in hindi, Imp Questions and Answers where ‘ ’... Insect, stain, fungi and rot resistant the process it releases lots of poisonous fumes the! 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