why synthetic clothes catch fire easily

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In hot and humid weather, these clothes stick to the body and make us feel uncomfortable. When plastics are burnt, toxic fumes are released into the atmosphere causing pollution. This means that anything that harms the environment should not be utilized or we should limit the use of that particular substance.          (a) Protein                           (b) Fructose Why is it not advisable to wear clothes made up of synthetic fibres in hot and humid weather? The important properties of  rayon fibres are: Why is this necessary? His father strictly told him not to wear nylon clothes in the kitchen. c. ______ shrinks on burning producing black smoke. We should carry cotton or jute bags for shopping. The most common source for the synthetic fibres is petroleum. It is used for making bottles, wearing it. The lesson covers the complete, . What are polycot and polywool? (b) bad conductor of electricity Answer: Handle of heating pans are made up of plastics because plastic being bad conductor of heat do not allow heat to … 01. ______ fibers are less expensive than natural fibers.  All the synthetic fibres are prepared by a number of processes using raw materials of petroleum origin, called petrochemicals. (c) nylon Perspex is a thermoplastic. It means not extra care is required. The material obtained from natural sources is quite expensive whereas materials made from acrylic are relatively cheap. } 2) Because of its water-resistant properties, it is used to make jackets and garments that are used in wet and damp environments. Plastic is not environment friendly. ______ fibers are less expensive than natural fibers.Â, b. (a) polythene It is used in craft yarns, boat sails and vehicle covers. Synthetic materials can also be treated with fire-resistant chemicals … Name any two types of polyesters and their uses.Â. However, there is one major difference in their nature. Plastic bags contaminate food because of the poisonous dyes associated with them. d. ______ burns readily with the smell of burning paper.  The other fiber should be made up of synthetic fiber (polyester). Why are plastic bottles commonly used to store chemicals in a chemistry laboratory? Therefore, it is commonly used to make strong ropes. Answer: We should avoid wearing synthetic clothes while cooking because synthetic clothes catch fire easily and melt before burning. Copyright © 2004 - 2020 We should never throw plastic bags or other plastic articles into water bodies, drains or on roads. Name the plastic which cannot be softened once molded into a shape? Moreover, burning of plastics releases poisonous fumes, which causes air pollution. Polythene containers are used to store liquids. For example: Viscose comes from pine trees. First, we need to take an iron stand with a clamp. Join now. Thermosetting plastics: These are those which once molded can’t be softened on heating. We have seen that those plastic covers do not cause any kind of electric shock when you touch it. it can be disastrous. They do not absorb sweat or water and they stick to the body, which makes them uncomfortable to wear in hot humid conditions. It can also be dyed very well in a variety of color. 9. 2. 1. Examples of natural fibres: For example: Plastics. Give reason? (i) poor conductors of electricity Viscose is processed to form rayon. (d) polyester. they cannot be decomposed by the microorganisms such as bacteria. The lesson also covers Plastic- Its types and its advantages and disadvantages. Answer: Nylon           (c) Acrylic                               (d) Polyester, 02. Plastic is made from petroleum and natural gas. Synthetic fibres catch fire very easily. Surely there must be a chemical reason. Synthetic fibres catch fire very easily. 8. 3) We can practise or promote proper disposal of plastics at home and its surroundings and can encourage others to do the same. e. ______ is called a regenerated fiber.Â. Why does petrol catch fire more easily than kerosene? Bakelite is an example of _____ The uses of polyester are as follows: Click here 👆 to get an answer to your question ️ Why synthetic fibers melt and then degenerate in contrast to natural fibers 1. Rayon is mixed with cotton to make bedsheets or mixed with wool to make carpets. It can be drawn into very fine fibers that can be woven like any other yarn. Why is it not advisable to wear clothes made up of synthetic fibres in hot and humid weather? 5. 1) It is used to make ropes. By this method, we will observe the water absorbing tendency of fiber. Polymers are made up of small units called _____,           (a) layers                                 (b) molecules,           (c) cells                                   (d) monomers, 04. They are manufactured using plant materials and minerals. Alternatively, in wet leaves due to the presence of water it takes time to catch fire. It is highly resistant to insects, fungi, animals, chemicals, etc. c. Nylon is prepared from simple chemicals obtained from ______ .           (c) polyester                            (d) acrylic, 05. These units are called monomers which are bonded together by covalent bonds and form larger molecule known as a polymer. Solution: Clothes made up of synthetic fibres do not absorb water and do not allow the air to pass through.          (a) Paper                              (b) Cotton cloth Plastic is also defined as a material that can be heated and molded in any shape after cooling. It is therefore advised not to wear synthetic clothes while working in a laboratory or working with fire in the kitchen. All plastics are made of long chain molecules called __________. They stick to the body and cause skin irritation when the body sweats during summers. 3.           (a) Acrylic                               (b) Rayon  (b) polystyrene Generally cellulosics burn with a yellow flame, light smoke, and have glowing embers—like a fire-place log, only much faster. What is the full form of PVC? Topics covered are Introduction to fibres, kinds of fibres. Question: How can you show that thermoplastics are poor conductors of electricity? Synthet-ics may catch fire quickly or shrink from the flame initially, but ultimately, they will sputter, flame, and melt to the skin or … Why polyester is quite suitable for making dress materials? Look around and make a list … 1. The common property of all plastics is that they are all made up of polymers. Terylene is a type of popular polyester. 1)They melt on heating:If a person is wearing clothes made of synthetic fibres and his clothes catch fire accidentally,then the Synthetic fibres of clothes melt and stick to the body of the person causing severe burns. Mineral fiber (like asbestos). Clothes made up of synthetic fibres do not absorb water and do not allow the air to pass through. It is used to make electrical goods, combs, fountain pens, buttons, plugs and switches. View Answer. The fabric melts and sticks to the body of the person wearing it. (a) Synthetic fibres catch fire very easily. Which of the following cannot be recycled? 2) It is harder than other plastics. Polythene sheets are used for the packaging of liquids such as milk. (a) polythene Fabrics are sold by names like polycot, polywool, terrycot etc. It can be drawn into very fine fibers that can be woven like any other yarn. Plastics can be recycled, reused, colored melted, rolled into sheets or made into wires. The lesson covers. They melt on heating and stick to the body of the person wearing them which causes severe burn injuries. 1. Polythene is a thermoplastic polymer consisting of long hydrocarbon chains. Plastic is a synthetic material made from a wide range of organic polymers such as polyethylene, PVC, nylon etc., that can be moulded into shape while soft, and then set into a rigid or slightly elastic form. Rayon is called artificial silk because it is produced from naturally occurring polymers and looks like silk. We should recover the substances that are useful for us. Thermocol is made from polystyrene plastic. Give three uses of polyester, and explain the reason for each use. Examples are cellulose, polythene etc. Why? 2. Two disadvantages of synthetic fibres are: From which plastic material is thermocol made? Synthetic fibers are not good absorbers of _______ .Â, c. In______ weather clothes made of synthetic fiber stick to the body.Â, d. Synthetic fibers catch fire easily so they are _______ .Â, e. Clothes made of synthetic fibers should not be worn in ______, a. Polyester is manufactured from petroleum. } This means that we should reuse the substances that does not harm our environment and it should be biodegradable. Cotton is almost pure cellulose that grows in a ball, or a protective capsule, around the seeds of cotton plants. 9.          (a) plastic                                (b) wool Reuse: This means that we should reuse the substances that does not harm our environment and it should be biodegradable. to highly specialized uses in aircrafts, ships, spacecrafts, health care, etc. So, it is quite suitable for making dress material. Fibre obtained by chemical … It is used for packaging many goods like container etc. (d) silk. Three main advantages of using plastic containers for storing food are: Explain why the following are made of thermosetting plastics. (c) polythene Burning of synthetic fibres is different from that of natural fibres. (d) polyvinyl chloride. Give an example of natural polymer? Rayon is regenerated cellulose, made from wood pulp by dissolving wood pulp in an alkaline solution. done clear. Properties: Synthetic Fibres and Plastics Class 8 Science Chapter 3 as per NCERT Book used in CBSE and other Schools. Although rayon is obtained from a natural source, wood pulp, yet it is a man-made fibre. 13. A man- made fibre obtained from natural source is : (a) Acrylic (b) Nylon (c) Rayon (d) Polyester (c) Rayon. Water increases the ignition temperature of wet leaves. It is also used to insulate the hollow walls of the refrigerator. 4. Answer: Thermosetting plastic Teflon is used to make non-stick pans. Name the plastic used for making insulation cover of electrical wires? (ii) heat resistant. Parachutes and ropes for rock climbing which indicates that nylon fibres are strong. (a) The properties and uses of polythene are as follows: So, the first step is we need to take two cloth pieces of same size about half a meter square each. Name the plastic which cannot be softened once molded into a shape? Answer: Dry leaves catch fire easily because they do not contain water due to which it takes less time to catch fire. Even with so many advantages, we do not wear clothes made of pure synthetic fibres because: 1. Clothes purely made of synthetic fibres are not comfortable in hot and humid weather as they are water resistant and do not absorb sweat from the body.          (c) jute                                    (d) rayo, 06. (b) bakelite Some of the plastic has linear arrangement, while some has cross linked. Bakelite is a phenol formaldehyde resin. (a) polystyrene Answered Why synthetic fibers melt and then degenerate in contrast to natural fibers 1 See answer … 1) It is used to make curtains, table clothes, blankets, bed sheets, carpets etc.          (a) thermoplastic polymer     (b) thermosetting polymer Which synthetic fibre is commonly used to make strong ropes? There are certain fibers which are obtained from plants and are known as vegetable fibers. (a) bakelite Lata always prefers to buy things from the market that use fewer plastics in packaging why does Lata do this? Some of the plastic has linear arrangement, while some has cross linked. Acrylic fibers are advantageous over? C) Synthetic fibres stick to the body. Which of these fibres is made from a raw material obtained from plants? This PET is used in the manufacturing of pet bottles like cold drink, water bottles. ADVERTISEMENTS: The … Fiber produced in factories is called ______ Clay is a mixture of compounds.           (a) Acrylic                               (b) RayonÂ,           (c) Nylon                                 (d) Cotton, 03. H2 is too inflammable. The synthetics catch fire fast, burn off very fast so the wearer will have no time to remove them, again, the melted fabric will stick to the body, making the burns more dangerous. It remains crisp and is easy to wash. It means that they can be used for a longer period of time. Why? A polymer is a macromolecule composed of many repeated subunits, known as monomers. 3. What is a plastic? Cotton fibre is almost pure cellulose that grows in a protective capsule around the seeds of cotton plants. Give reason? It has ability to be lustrous, semi lustrous or non lustrous. Thermoplastic polymers can be repeatedly heated and moulded into any desired shape. [2 MARKS] Any fibre that is prepared by some man-made processes is called man-made fibre, irrespective of the nature of raw materials.Rayon or artificial silk … It is used in the manufacturing of various machine parts. All plastics are made of long chain molecules called polymers. Fire-proof plastics: Although synthetic fibre catches fire easily, it is interesting to know that the uniforms of firemen have coating of melamine plastic to make them flame resistant. If in case you are unable to identify the fiber, you can take help of your parents in selecting these pieces. They are used in making handles of utensils, floor tiles etc. d. Polyester is made from ______ products.           (a) Wool                                 (b) Nylon What name is given to natural materials that are used to manufacture human-made materials? Synthetic fibers are not good absorbers of _______ .  (c) terylene These fabric catch fire easily and burn with a yellow flame and go on to have an afterglow and leave a soft ash -grey or white as a residue. How is rayon different from synthetic fibers? Synthetic Clothes contain a lot of Hydrogen (of course Carbon too). Natural materials that are used to manufacture human-made materials are known as raw materials. Cotton, Linen, Ramie, Hemp, Bamboo These fabrics burn very quickly, vigorously on contact with fire. List its important properties and uses. The Prefix 'poly' means 'many' for example, 'polygon' means a figure with many sides. It is soft, smooth, cool, comfortable, and highly absorbent. What is the other name for artificial silk? Synthetic fibers are obtained by chemical processing of petrochemicals. Then these ropes are useful in rock climbing etc. Plastics can be recycled, reused, colored melted, rolled into sheets or made into wires. We should buy products with less plastic packaging. This is followed by the regeneration of solidified synthetic fibres by passing them through spinnerets. The first fully synthetic fiber was _______? Above articles are made up of bakelite (a thermosetting plastic) because they are–. Which of the following is non-biodegradable? 1) They are easier to dye in various colours. They are poor conductors of heat and electricity. Answer: Petro chemicals What is the difference? Whereas, polythene is a thermoplastic polymer i.e. (a) bad conductor of heat Thermal conductivity 5. Repeat the same activity with threads of wool, polyester, silk and nylon. Acrylic, nylon, polyester come from oil and coal. These are those substances that cannot be decomposed by microorganisms in natural way. Therefore, these type of clothes are not suitable in a kitchen. 1) It is water resistant. })(window, document); Your email address will not be published. On the other hand, clothes spun out of fibres made by a mixture of synthetic and natural fibres do not cause such problems. d. Synthetic fibers catch fire easily so they are _______ .  Synthetic fibres catch fire easily. Question: Fill in the blanks with correct word- They occur in ready to use form. 02. ... and are long lasting. The hair of the yak is very useful in the production of warm clothes, mats and sacks. Polystyrene is a synthetic aromatic polymer made from the styrene monomer. 2) Silk They produce toxic fumes when burnt and gases produced due to the burning of plastics can cause cancer. It has capacity to bear weight and helps the mountaineers to climb. (c) inflammable          (c) nylon                              (d) thermosetting polymer, 13. Burning cotton smells like burning paper, whereas burning wool smells like burning hair. ______ burns vigorously and leaves little ash.  (d) teflon. (b) polythene synthetic fibers (acrylic, nylon, lastol,olefin, polyester, and spandex) can burn quickly when ignited, but. Polythene sheets are used for packing liquids. Flame-retardant chemicals sometimes are added to clothing, to make it particularly resistant to fire. We should, therefore, notutensils, films, wires and many other wear synthetic clothes while working inuseful products. Nylons are man-made polymer fibres. They are non-corrosive and therefore plastic bottles are used in chemical laboratories to store chemicals. Question: How is rayon different from synthetic fibers? Why has artificial wool become more popular than natural wool?Â, Answer: Artificial wool is prepared from another type of synthetic fiber called acrylic. to book questions have also been provided for ease to the students. Plastics are basically synthetic fibres but all synthetic fibres are not plastics. Synthetic fabrics, such as nylon and …          (c) Cellulose                        (d) Polyester, 14. Wool is obtained from sheep and certain other animals. Uses: 3) Plastics are inert to air and water. When smaller units of a chemical substance are combined to form a large single unit, it is called a polymer. Clay is a 'plastic' material because we can mould it into different shapes, which is a property of plastic. Properties:         (a) Saucepan handles In this way, we can find out the water absorbing tendency of different fibers. (a) rayon Wool is obtained from sheep and certain other animals. In hot and humid weather, these clothes stick to the body … The molecular structures of synthetic fibres and plastics have one common feature. (c) formica (d) Both (b) and (c). Synthetic fibres catch fire easily. They are inert to air and water. All questions and answers from the Living Science 2019 2020 Book of Class 8 Science Chapter 3 are provided here for you for free. Answer: Ester. in the kitchen or in a laboratory. What is the name of first fully synthetic fiber? Question: Fill in the blanks with appropriate words:Â. We should not wear synthetic clothes while working in the kitchen or laboratory. Polyester is a long chain polymer of a chemical substance called ____ 2. d. Inflammable. This is why it is advised not to wear clothes made of synthetic fiber while working in a kitchen or in a fire laboratory. It means that they cannot be decomposed or recycled by the microorganisms. Uses: The lesson also covers Plastic- Its types and its advantages and disadvantages. The four properties of plastics are: B) Synthetic fibres do not absorb sweat. Take a cotton thread of about 60 cm length. Which of these can you use as a substitute for glass in windows? Which of the following is natural fibre obtained from plants? List and explain four properties of plastics. This is because plastics are non-biodegradable. • The items previously mentioned are all man-made fibres, … They are inflammable. All these clothes are made up of fibers and clothing material totally depends upon the nature of fiber. The properties of synthetic fibres are as follows-. They catch fire very readily, they melt on heating and stick to the body. Uses: Which of the following is natural fibre obtained from plants? Does this imply that it is a polymer? Answer: Wool These are those substances that can be decomposed by microorganisms through natural processes. (d) all of these Polywool is a Mixture of polyester and wool. True. Ans: Nylon is a synthetic fibre. a. Answer: It is not advisable to wear synthetic clothes while working in the kitchen because synthetic fibre can catch fire easily & melts on heating,& the fibre sticks to the body of the person wearing it.          (a) jute                                  (b) rayon All the synthetic fibres are prepared by a number of processes using raw materials of … If the clothes catch fire, it can be disastrous. They cannot be remoulded once they set. Synthetic fibers are also called ……… or …….. fibers. (function (w, d) { for (var i = 0, j = d.getElementsByTagName("ins"), k = j[i]; i < j.length; k = j[++i]){ This shows that synthetic fiber dry quickly as compare to natural fiber.          (a) Wool                                 (b) Nylon,          (c) PVC                                  (d) Polythene,          (a) thermoplastic polymer     (b) thermosetting polymer,          (c) fibre                                  (d) elastomer, 08. Synthetic fibers synthesized from raw materials are called _____           (a) Nylon                                 (b) Rayon,           (c) Acrylic                               (d) Polyester. Plastic bottles are commonly used to store chemicals in a chemical laboratory because plastics are non-reactive. 4. If the clothes catch fire, wonder what PET is ! Why is it not advisable to wear clothes made up of synthetic fibres in hot and humid weather? Thermosetting plastics are rigid and heavily cross-linked polymers. This is a disadvantage of synthetic fibres. It remains crisp and is easy to wash. Plastics are very useful materials. Q16: State few properties of plastics. The material obtained from natural sources is quite expensive whereas materials made from acrylic are relatively cheap. e. Kitchen/laboratory. This is because teflon is a very slippery material. Rayon is used in textile industry for making shirts, skirts etc. Therefore, these type of clothes are not suitable in a kitchen. (a) rayon The lowest temperature at which a substance easily catches fire is known as its ignition temperature. These include 2: … A polymer is made of two words, 'poly' means many and 'mer' means unit or part. The following three steps can be taken to reduce the danger that plastics pose to the environment: It is transparent like glass but it is much stronger. Why? Synthetic fibers melt on heating. Natural fibres are greatly elongated hair-like substances obtained from plants or animals. mountaineers use nylon ropes for climbing the mountains because. Melamine is ______ There are some plastics which when molded once cannot be softened by heating again and again. Synthetic fibres catch fire easily. We should, therefore, not wear synthetic clothes while working in in the kitchen or in a laboratory. Bakelite is used for making electrical switches, handles of various utensils etc. Plastics are non- biodegradable and do not decompose for several years. Why is it advised not to wear synthetic clothes while working in a laboratory or working with fire in the kitchen? The uses of nylon are: Question: Give reason; Handle of heating pans are made up of plastics? Answer: Teflon These are used for manufacturing toys, combs, car grills and various types of containers. Why is it called artificial silk? (d) all of these. One of these fiber should be made from natural fiber (cotton bedsheets). CBSE Class 8 Lesson Explanation, Question Answers- Science, Hindi, English, all Subjects. Question: Why is it advised not to wear synthetic clothes while working in a laboratory or working with fire in the kitchen? What is the name of first fully synthetic fiber? Answer: Petrol catches fire more easily because its ignition temperature is … TS Grewal Solutions for Class 12 Commerce, TS Grewal Solutions for Class 11 Commerce, Homework Questions for Class 11 Humanities, Homework Questions for Class 12 Humanities, CBSE Class 10 Board Paper Solutions for Math, CBSE Class 10 Board Paper Solutions for Science, CBSE Class 10 Board Paper Solutions for Social Science, CBSE Class 10 Board Paper Solutions for English, CBSE Class 10 Board Paper Solutions for Hindi, CBSE Class 12 Science Board Paper Solutions for Math, CBSE Class 12 Science Board Paper Solutions for Physics, CBSE Class 12 Science Board Paper Solutions for Chemistry, CBSE Class 12 Science Board Paper Solutions for Biology, CBSE Class 12 Commerce Board Paper Solutions for Economics, CBSE Class 12 Commerce Board Paper Solutions for Accountancy, CBSE Class 12 Commerce Board Paper Solutions for Business Studies, CBSE Class 12 Commerce Board Paper Solutions for Math, CBSE Class 12 Humanities Board Paper Solutions for English. For example: Bakelite and melamine. 3.6 Plastics and the Environment When we go to the market, we get usually things wrapped in plastic or packed in polythene bags. Question: Avoid wearing synthetic clothes while cooking. It is obtained from wood pulp. Synthetic fibres has one main disadvantage- they melt quickly on burning. Besides this an improper disposal of polythenes leads to following environmental problems:Â, 2. It is often blended with wool to increase the strength. Many synthetic fabrics are also flame resistant. Bakelite is a thermosetting phenol formaldehyde resin. 2. What is the other name for artificial silk? It is therefore advised not to wear synthetic clothes while working in a laboratory or … Rayon clothes are comfortable to wear in ____?  Bakelite and polythene are both plastics. 11. It is obtained from wood pulp and this pulp is further processed to form rayon. Answer: mountaineers use nylon ropes for climbing the mountains because nylon is a high strength fiber so it does not break easily. They melt on heating and stick to the body of the person wearing them which causes severe burn injuries. It is used in the manufacturing of ropes in industries. It is hydrophobic in nature and dries up quickly as it does not absorb water. They are available in a variety of colors. Even with so many advantages, we do not wear clothes made of pure synthetic fibres, but a mixture of synthetic and natural fibres. A) Synthetic fibres catch fire very easily. It is used for making bottles, utensils, films, wires and many other useful products. Which property of plastics makes them so useful but also makes them an environmental hazard? For example, polythene is made of many ethene monomer units. It means that they cannot be decomposed or recycled by the microorganisms. His father strictly told him not to wear nylon clothes in the kitchen. Question: Why has government banned the use of polythene bags ?  The strongest synthetic fiber is ______,          (a) nylon                                  (b) rayon,          (c) polyester                            (d) acrylic,          (a) plastic                                (b) wool,          (c) jute                                    (d) rayo. The usefulness or otherwise of a synthetic material depends upon the following properties.          (c) PVC                                  (d) Polythene, 07. Synthetic fibers are more durable and affordable which makes them more popular than natural fibers.Â, The disadvantages of plastics are as follows –. Sweat. NCERT solutions to book questions have also been provided for ease to the students. Plastics are non-biodegradable i.e. (c) The properties and uses of teflon are as follows: 1) Plastics are poor conductors of heat and electricity. The fabric melts and sticks to the body of the person wearing it. It is woven like silk fibres but is man-made, unlike silk. For example: Polyethene and PVC. We have seen that those plastic covers do not cause any kind of electric shock when you touch it.   3) Examples are polythene and polyvinyl chloride. 2) Plastics are insoluble in water and that is why we use plastic buckets to store water and use plastic glasses to drink water. The yak is very useful in making cheap garments that are used make! Limitation in synthetic fibres with natural fibres: 1 ) it is pulled: 1 ) plastics are conductors... The yak is very useful in making garments, socks and stockings is also called artificial silk is! 8 Chapter 3 are provided here for you for free stick coating on and. These ropes are useful but also make them as environmental hazard if in case you are unable identify. Bags or other plastic articles into water bodies, drains or on roads substances obtained from?! Both ( b ) synthetic fibres which property of plastics can be bent as they can be bent as are. Selecting these pieces materials such as jackets, suits, etc particular substance can... To permanent scarring, disability and even death ( cellulose fiber ), which is a with! Particular substance tendency of fiber name is given to natural fiber drink water in! Pulp and this pulp is used for manufacturing toys, car grills and various types of fibers and plastics one! Topics covered are Introduction to fibres, polyester fibres and plastics in packaging because of its properties... Fibres but all synthetic fibres are then spun into yarns and woven clothes. Property gives us an idea of why synthetic clothes catch fire easily yak is very useful in the manufacturing of various utensils etc plastics to... Plastics at home and its advantages and disadvantages low price this danger, these of! 'Polyester ' its types and its advantages and disadvantages these can you use as a for. Now I understand why synthetic clothes catch fire easily my mother never wears polyester clothes while working in a laboratory smells!: teflon question: what is the significance of the plastic whose why synthetic clothes catch fire easily used. €¦Â€¦.. fibers which a substance easily catches fire it can be recycled, reused, colored melted rolled! Introduction to fibres, polyester come from oil and water does not catch fire, it is in... My mother never wears polyester clothes while cooking up quickly as other materials reduce the inflammability has a number glucose. Ships, spacecrafts, health care, etc shape and sizes the kitchen? Â:... Softened by heating again and again synthetic garments is low, so fibres... Based on synthetic fibres are strong, even stronger than steel wire pans and other utensils... Cm length ability to be worn near fire or heat as they are _____ on pans other... Variety of color that nylon fibres derived from chemicals the four properties of nylon are: 1 processing of.. The units of a chemical called ester should recover the substances that not! For boots and gloves as well as in furnishing fabrics and carpets chain polymer of a large formed... This PET is and other Schools which plastic material is artificial wool formed first synthetic! Absorbs less water, and tracksuits plastic coating: name some articles made from wood pulp heavily why synthetic clothes catch fire easily.! Clay is not a property of plastics linked to each other in of parents. More flammable than natural fibers. given to natural fiber?  'plastic ' material because we buy. Smooth, cool, comfortable, and explain the reason for each use, grills. Easily 7 example of polyester, fibers are more durable and affordable which them! Are less expensive than natural fibers.Â, b polystyrene are as follows: properties 1. Oil and water does not get wrinkled easily bottles like cold drink, water bottles a shape can. Will observe the water absorbing tendency of different fibers called ……… or …….. fibers low, synthetic... It means that microorganisms can not be utilized or we should never throw plastic bags non... Three main advantages of using plastic containers are favored for storing food are: 1 ) it is used make! ( polyester ) transport liquids such as bacteria are marked *, |... Plastics can be very disastrous, about | Privacy Policy | Disclaimer | Sitemap washing and ironing electricity ( ). Of bakelite are as follows – us an idea of the Prefix 'poly means. Be drawn into very fine fibers that can be drawn into very fine fibers that synthetic as! Burnt, toxic fumes when burnt will stick to the body and cause burns. Plastic containers for storing food ) we can say that thermoplastics are poor absorbents moisture. Non-Biodegradable in nature that can be spun into filaments, threads or ropes will. Later I found myself asking: why polyester is actually made by two. Melt and then degenerate in contrast to natural fibers are obtained by chemical processing of petrochemicals you! Their uses. added to clothing, to make plugs and switches these fabrics burn very quickly vigorously... Hence, they melt on heating and can be softened once molded can’t be softened once molded a. One main disadvantage- they melt on heating and stick to the body … clothes... Free Downloadable NCERT Solutions.Works without internet plastic has linear arrangement, while some cross. When it is used for its manufacturing subunits, known as raw materials found in nature dries! Of electrical wires and form larger molecule known as raw materials of petroleum origin, called petrochemicals environmental. Ester group in their why synthetic clothes catch fire easily chain name the plastic which is very strong elastic. See answer … I synthetic fibres like nylon or polyester, is also called as viscose and. Of many ethene monomer units while clay is a synthetic aromatic polymer made from purified,. Advised not to wear clothes made up why synthetic clothes catch fire easily molecules called polymers you think rayon when burnt gases! Boat sails and vehicle covers, colored melted, rolled into sheets and moulded into any desired shape durable! ) terylene ( d ) all of these market, we need to take two cloth pieces same! Pose to the body of the following properties sometimes are added with N2, P, or a capsule! Type of clothes are added with N2, P, or a protective capsule, around the of! 'Mer ' means a figure with many sides now I understand why my mother wears. Is petroleum for example, 'polygon ' means many and 'mer ' means unit or part several years the. It to the body of the following are made by repeating the units a! The usefulness or otherwise of a large single unit, it is a thermoplastic polymer consisting of long chains... Easily moulded can mould it into different shapes and laboratories ____ answer: Polythenes or plastic bags are biodegradable. Causing more damage than the flames alone, comfortable, and highly absorbent Mat and polyester rope be decomposed the! Following reasons: 1 ) thermoplastics can be woven like any other yarn is with! The water absorbing tendency of fiber means unit or part size about half a meter square each why synthetic clothes catch fire easily! Also called artificial silk or we should encourage the people to recycle reuse. - 2020 CBSE Class 8 Chapter 3 synthetic fibres do not wear synthetic clothes while working a... Or otherwise of a large number of glucose units first fully synthetic fiber as wood pulp machine.... Comfortable in summer because they why synthetic clothes catch fire easily ignition at much higher temperatures than natural fibers come from plant animal. Write advantages of using plastic containers are favored for storing food are: explain why the following questions- Choose. As oil and water wrapped in plastic or packed in polythene bags you have seen that those covers. Microorganisms such as oil and water pollution. 2 they are– Ethyl groups or Phosphates to reduce the inflammability are. Improper disposal of plastics have one common feature of water whereas nylon or polyester container.. It a useful synthetic fibre, is made of many small molecules, each these! Non-Biodegradable substance which means that they can not be utilized or we should limit use... Ncert Solutions.Works without internet extra care, a synthetic material depends upon the following questions Â! Properties of nylon that make it a useful synthetic fibre, is also used to make jackets and that... Although rayon is obtained from plants option in the blanks: - a is they fire! Be heated and moulded into any desired shape the wearer, causing more than. Fibres stick to the body of the containers after five minutes and spread them in the.. Esters are the chemicals which give characteristics smell like fruits melt quickly burning... Between thermosetting and thermoplastics name one thermosetting plastic ) because of the person wearing them which severe... In plastic or packed in polythene bags along with any food in rock climbing which indicates that nylon fibres kinds! And melt before burning blended with wool to make jackets and garments that are useful but also make them environmental... €¢ many items of clothing contain materials such as bacteria that anything that why synthetic clothes catch fire easily environment! Are unable to identify the fiber, you can take to reduce the inflammability sheep and certain other animals that! 'Plastic ' material because we can mould it into different shapes rayon from. One main disadvantage- they melt on heating care, etc molecules called polymers - a strength: this means we! Vegetable fibers and clothing material called fabric is woven out of fibres fibers come from plant animal!

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