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Answer 1

Answer:

Answer the following:-

• 1. natural fibre is obtained from nature. for example cotton and Silk etc.
• synthetic fibre is made by man so its also called man made fibre . For example: Polyester and ryon.
• 2.A Ryon is made from cellulose and it's called artificial Silk because it is produced from naturally occurring polymer and look like silk .
• 3. Rayon: Ryaon is used in textile industry for making clothing like sarees, blouse, dresses and socks.
• it is used to make carpets .
• it is used in tyre industry for the manufacture of tyre code .
• Nylon: nylon is used for making plastic machines part as it is low cost and longlasting.
• it is used to make fishnet.
• it is also used in the electronic industry for its and conductivity and heat of resistance.
• Acrylic: acrylic is a transparent plastic that have gained wider is produced because it is ability to replace the glass.
• it is used for making sweater, salt, blanket and jacket etc.
• substitute for acrylic glass.
• polyester: being very strong and crease resistance .
• it also used in to make pants, shirts, suits and bedsheets etc.
• polyester are used to make bottles, utensils, and wire as they were light weight and elastic.
• 4. melamine is a thermosetting plastic and does not melt down on heating. it is used for coating the outer surface of the utensils so that they do not catch fire and no damage occurs.
• 5. melamine is used to make of handles of frying pan because it is fire resistant.
• 6. uses of plastic today is a matter concern because these are following are :-
• plastic affects human health.
• plastic pollute the soil and the water .
• it attracts other pollutants.
• 7. synthetic fibre Travels very high amount of heat from sun and therefore it become very warm and it makes us feel very hot and uncomfortable during summer season. there forth we can't wear synthetic clothes during summer season .
• 8. nylon is very much suitable for hosiery and the knitted fabric because of its smoothness, lightweight and high strength. distress fibre. the list of the fibre can be modified by adding the delustring agent at the molten stage.
• 9. plastic container are preferred for containing food items because food contains acid and basewhich can react if you keep food in metallic container.
• 10. way to reduce the use of plastic are:-
• wean yourself of disposal plastic .
• stop buying water.
• boycott Microbeads.
• 11.acrylic is popular plastic in Orbit q and optically transparent forms, used in numerous application.

properties of Acrylic are:-

• it is more flexible and stock resistance than glass.
• it is abrasion resistance and to UV and chemical damage.
• 12. to burn plastic and synthetic fibre is not advised because when the burn plastic and synthetic fibre they give out harmful gases this gases will harmful for human beings as well as environment and all living beings.

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