Chemistry, asked by RidhiG19, 1 year ago

85 points!!
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Answers

Answered by Anonymous
1
1)Synthetic fibre-Synthetic fibers are fibers made by humans with chemical synthesis, as opposed to natural fibers that humans get from living organisms with little or no chemical changes
(2)--Plastic and uses--a light, strong material that is made with chemicals and is used for making many different sorts of objects.Uses are for making handbags and for packing objects.
(3)--Nylon--The reason of making use of nylon in tooth brushes is that it is one of the earliest discovered plastic materials which had the property to be made into fibers . ... Thus, it becomes the natural plastic material of choice to be usedas toothbrush bristles.

(4)-- {A} answer-- Nylon fibre
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D(1) ans- Two uses are mentioned above
D(2) ans- Reduce ,,Reuse,, Recycle,Recovery
D(3) ans- Differences are--- The primary physical difference is that thermoplastics can be remelted back into a liquid, whereas thermoset plastics always remain in a permanent solid state. 
D(4)-- We should wear cotton clothes in summer because during summers wetend to sweat a lot and cotton fabric absorbs this sweat and helps the body to cool down. ..
D(5) ans-Because it can be remelted and can used in making other plastic objects.
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E(1) ans_Synthetic fibre are cheap, they do not shrink, they last longer than natural fibres, they dry quickly, they need little or no ironing, they are resistant to chemicals. Synthetic fibres are more durable than natural fibres. Synthetic fibres are less expensive and readily available

E(2) ans_Our health and the health of many other species is negatively affected by five broad environmental hazards (the environmental equivalents of lust, anger, greed, pride, and attachment): electromagnetic fields, radiation, toxic chemicals, toxic metals, and soil mineral depletion.

E(3) (a) ans_ Because it can be remade.

Anonymous: My hands got pain of typing mark as Brainiest as u promised
Answered by trishasadangi06
1

1.Synthetic fibres are those fibres which are made using artificial things

2. plastic is a polymer used for making chairs and boxes etc.

3 Nylons are used to make bristles of toothbrush because they are strong are soft.

Hope it helps

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