Best Mcq Class 8 Synthetic Fibres and Plastics Chapter 3 || NCERT Synthetic Fibres And Plastics

Most important questions of Class 8 Synthetic Fibres and Plastics based on NCERT
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[@mcqncert]

For other Chapter MCQ of Class 8 Science, watch playlist in link below MCQ CLASS 8 SCIENCE NCERT: kzbin.info/aero/PLqL8x8BtIUaQcQgnfdyo8iFlyw-SZ-160

[@shivam2768]

1931

[@manojkumarkulkarni7895]

Thank you Sir

[@rohit9thcrollno879]

Rayon

[@rohit9thcrollno879]

Polywool

[@shwetashweta3322]

Thankyou sir you are so great

[@Fatima-yf9ej]

Q5 The nylon was prepared for the first time in ("" 1931"") answer 👈👈👈👈 NCERT class 8 science Pg. No. 33 NYLON first heading

[@dishaonlineclasseskatihark9253]

Yesss

[@dn_vibez]

Nylon is another man-made fibre. In (1931), it was made without using any natural raw material (from plant or animal). It was prepared from coal, water and air. It was the first fully synthetic fibre

[@Zilla4307]

Google se copy paste kara hai..

[@malkeetsharma4448]

😂😂

[@dn_vibez]

@@Zilla4307 😉

[@UttrakhandgirlBhawna]

Sir you are super teacher ☺️☺️ Proud to have teachers like you in India ☺️

[@zayanansari427]

12:01 PET has multiple meanings: Pet: A tamed or domesticated animal that is kept as a companion or treated with fondness. It can also refer to a person who is treated with particular affection or indulgence. The word "pet" dates back to the 16th century and can be traced to Scotland and northern England. Polyethylene terephthalate: A thermoset plastic that is one of the most widely used and versatile plastic polymers. It is known for its strength, flexibility, and chemical resistance. PET is used in the production of plastic bottles, films, and other products. It is also used in the manufacturing of shopping bags, water bottles, videotapes, containers, bags, clothes, and housing material. Pet as a verb: To stroke or caress.

[@mohammadullah9114]

Question are very easy for me because I study it very carefully 😁

[@mcqncert]

Good

[@ourmoviehub1415]

5 questioms's answer is 1931 It is write in nylon paragraph in second line 1st word

[@SS-kz6op]

Fibre 0:24 Nylon 0:29 Ester 1:41 Rayon 1:58 19## 2:16 Fleece 3:11 Reeling 3:45 Proteins 4:21 Thermoplastic 4:52 Rayon 5:39

[@zayanansari427]

4:24 Silk is a natural protein fiber made up of two proteins: fibroin and sericin. The ratio of these two proteins is 70% fibroin and 30% sericin. Fibroin is the structural center of the silk, while sericin is the sticky material that surrounds it. Fibroin is made up of a sequence of long-chain amino acids, and forms beta-keratin. Silk fibroin is related to proteins that form hair, skin, nails, and connective tissues. Silkworms produce these two proteins in their cocoons. To unravel a cocoon, a silk worker or an automated machine will brush the cocoon to find the loose end and load it through a porcelain eyelet onto a reel that unravels the silk strand.

[@gametroller6389]

Nylon = New York and London Because it was first made in New York but first sold in London

[@sachinkotkar4039]

😁😁

[@blinkyarmy1914]

ryt

[@RanjeetSingh-zl5xe]

Rayon a fibre was obtained by chemical treatment of wood pulp this fibre was called rayon or artificial silk

[@AnkitRaj_editz456]

Legends are watching in 2x speed 😂😂

[@AnmolSingh-wb9qr]

Thank you sir l saw all mcq video from ch1 to3 .lt was knowledgeable. I also learnt many new things. 🤗☺☺☺☺

[@mcqncert]

Good beta

[@RameshKumar-sk9rj]

Good beta aisa he padte rahana

[@shribhagwan2156]

@@RameshKumar-sk9rj CH....A

[@abhishekprajapati9890]

Hii

[@manishshakrgaye5349]

​@@mcqncert👍

[@samstudy6229]

Sir please tell me the timing of your classes

[@singhjahnvi516]

Thanks sir I was preparing for my PT 2 🤗Sir my name is Anant

[@mrvsjshow9337]

Full name kya hai

[@Ywhw91038]

I think Anant Singh?

[@sainigamers7415]

Tum wisdom world school ka ho kyw

[@SumanKumari-qg8jd]

So what we can do if your name is Anant

[@malikaguglani404]

Your mcqs are very helpful

[@kanchibansal101]

Nylon where ny stands for new york and lon stands for london

[@user-ym4fd9lm3d]

*nylon preparation first time 1931 Sir my all answers are correct*

[@Harshitagooglegirl6474]

Hello

[@user-ym4fd9lm3d]

@@Harshitagooglegirl6474 hiii

[@mdrukhshadalam1050]

Good

[@user-ym4fd9lm3d]

*Subhan Allah , Alhamdulillaah , Allah hu akbar*

[@ramlal5398]

Hi what is your name

[@shakuntlaahlawat66]

Ans 5 1931

[@zayanansari427]

2:39 Nylon was first prepared in 1931. It was the first fully synthetic fiber, made without using any natural raw materials. Nylon is prepared from coal, water, and air. Nylon is a strong, elastic, and light fiber. It is also glossy and easy to clean. The first nylon, nylon 66, was synthesized on February 28, 1935, by Wallace Hume Carothers at DuPont's research facility.

[@Fatima-yf9ej]

Q17 PET stands for "polyethylene terephthalate"

[@Betagaming01]

Yes sir is there any app

[@mcqncert]

No beta..

[@user-ym4fd9lm3d]

@@mcqncert what happens sir , what is reason plzzzzzz sir 8th or 9th classes plzz 🙏🙏🙏🙏🙏🙏

[@mcqncert]

@@user-ym4fd9lm3d will start class 9 from next session

[@prathameshnarwade3202]

Sir when is ur live class I want to do sir and I have subscribed ur cannel also...

[@shitkumar9720]

Sir polyester is also a fibre which is completely made from chemical processes

[@mcqncert]

Yes

[@manishshakrgaye5349]

👍

[@Anuradha__525]

The answer of question 5 is nylon was prepared for the first time in 1931

[@simabparior9344]

Ly means New York Lon means London full form of pet is polythelene terphalates

[@tanya6687]

Sir in question 24 you said that rayon is not a synthetic fibre which is wrong rayon is a synthetic fibre while cotton is a natural fibre but the answer was correct by the way your video helped me a lot. ❤️

[@changeyourdreamsintorealit4186]

Hi

[@changeyourdreamsintorealit4186]

Kaisi ho

[@changeyourdreamsintorealit4186]

All are fine or not

[@nexterplayz882]

Rayon is semi-synthetic bro....

[@ShravaniOmbase-fp9xh]

Get full ncert 8th science and thaks to pripare me for pm yashashvi yojna 2023

[@Betagaming01]

Polyethylene teraphatlate

[@DARKGAMER-hw8yq]

First one to like and comment Kunal Sindh Dhami

[@viditigarg3945]

I like your all videos very much..they all r very much helpful for all teachers n students

[@mcqncert]

You are teacher or student??

[@anilkheswa6486]

Sir really satisfied with your teaching👍👌

[@aayushchbs4639]

EASY QUESTION SIR... ACTUALLY JISNE PARA HOTA HAI USKE LIYE SAB EASY HOTA HAI 😎😎

[@mcqncert]

Yes

[@dangerousgamers765]

@@mcqncert 5 no ka kya hoga btaooo

[@mcqncert]

@@dangerousgamers765 1931

[@dangerousgamers765]

Thz sir

[@deepakKumar-zi9vx]

Sir 🙏 🙏 l don't present in the live class but like your video 👌

[@mcqncert]

Thnku.. Do share with your friends too..

[@stendrakumar5020]

Please somebody tell me what is the full form of PVC 🤔🤔🤔🤔

[@mcqncert]

Poly vinyl chloride

[@technicalfacts8936]

Pvc- polyvinyl chloride

[@sapnasuri452]

Pet - poly Ethane Tetrephthalate

[@Anaya-Bhardwaj6095]

Ethene hoga

[@APARAJITA_THE_PRO]

Ha

[@rahulgupta6441]

Ques 5= (b) 1931 😊

[@viratdangidangi7408]

Nylon was prepared for first time in 1931

[@NeedToKnow891]

Sir ye que .. NCERT book se liye gye h kya ? Yaa fir random important que h ?

[@mcqncert]

Ncert

[@mannatart5202]

Hello

[@NeedToKnow891]

@@mannatart5202 hm..

[@nikitajain9772]

Thermosetting plastic

[@nidhimeenaclass5th474]

1:17 Ether

[@ruchirajpurohit2571]

Sir can you send me link of mcqs of other chapters

[@reeteshkumar3523]

14 answer is Coal, water and air

[@user-ym4fd9lm3d]

*ᴀʟʟᴀʜ ʜᴜ ᴀᴋʙᴀʀ*

[@pixelmishti]

3 what is polycot ? (a) a mixture of polyester and cotton (b) a mixture of polyester and wool (c) a mixture of cotton and wool (d) a mixture of silk and cotton

[@mcqncert]

A

[@neeravsingla7451]

A

[@neetu2346]

A

[@Sureshkumar-mp7uv]

A

[@raviprinceclasses6604]

A

[@meenarani4403]

Q5. The nylon was prepared for the first time is (1931 is the answer) 👈👈 Science NCERT ch 3 page 33 nylon topic 1st line.

[@vanshikasharma8261]

Q. 14 c) Coal, Water, Air

[@sanjutank-qj7yd]

8) protien

[@mallikarjunaraothota8283]

This is very simple question's

[@sarweshsuman4221]

ree

[@sachinkotkar4039]

Question no. 5 answer is on ncert science test book page no. 33

[@chelisa1127]

Candles is not manufactured from high-density polythene.

[@Betagaming01]

New York and london

[@babysahi2448]

Thank u sir..

[@princekumar-sx1uj]

Sir nylon was prepared for fist Time in = 1931. Page number 33 topic no. =2 line no. 2 first later 😘😘😘

[@joonpoonam3525]

Hello

[@princekumar-sx1uj]

Ka Ho Jan 😍

[@bestbhojpurisong6173]

Thank you 💞 sir that you teach the question they are only asked

[@mandapakavani514]

good questions keep it up sir

[@aayushchbs4639]

THERMOPLASTICS

[@rajkumari3603]

Nylon was firstly made in 1931

[@narenpandit7052]

Nylon was first prepared in 28 feb 1935

[@ankuryadav4245]

Sir 5 answer is 1931 and It is in ncert book of first line in nylon heading

[@mcqncert]

Yes

[@rajeshtiwari1351]

Sir answer is 1931 I have learnt from ncert

[@majaharvlogs1333]

2:49 B answer 1931

[@oculus66]

Sir these questions are very easy for me because I read it carefully

[@khushisahu3494]

I like your ways of teaching 🙂🙂👌👌

[@devendrarathore7493]

Nice..... Make more hard mcqs of class 8 of this chapter and upload

[@mcqncert]

Sure I will

[@princekumar-sx1uj]

Bhi pero player bnana ha kya

[@kuruvahanumanthu2268]

@@mcqncert Are there all videos of class 8 in Ur channel or not sir??.....if there we r so blessed...TQ sir....reply me sir for my ques

[@vanshikasharma8261]

Q. 13 a) Polyester

[@himanshi6275]

14. Coal,air & water

[@jhonabhraham6534]

Polyethene terephtalete .

[@user-ym4fd9lm3d]

Subhan Allah .🥇🏆

[@venkateshdaas8055]

5th question answer is option B 1931

[@sapnasuri452]

Nylon - NY- newyork , lon - london

[@vinaykaushik7773]

polyethene terephathalate is the full form of PET

[@jhonabhraham6534]

New York & London = Nylon .

[@pammi225]

Ur questions are good but the way u r showing the answers is so confusing

[@mcqncert]

What is confusing kindly elaborate

[@akshitarts4644]

nylon = ny for new york and lon for london

[@absaralam-jmi8737]

Sir 5 ka answer 1931 hoga

[@aayushchbs4639]

TEFLON IS USED FOR NON STICK AND TEFLON HAVE A PROPERTY OF OF NON STIKY SURFACE

[@kalimjawed6531]

Nylon was first prepared in 1931.. Nylon is made by coal, petroleum,water and air.....

[@manojkumarkulkarni7895]

Sir 5th Answer is 1931

[@juniorsevasangho5227]

The answer of question 5 is 1931

[@aayushchbs4639]

Polyethylene terephthalate = PET

[@_angel_5564]

Pet - polyethylene terephthalate . 🙂🙂

[@abhishekchauhan6734]

NYLON 1. Newyork 2. London

[@jeetecheemacheema8484]

5:- 1921

[@bhagavanreddy6157]

The correct answer is 1931

[@jhonabhraham6534]

PVC = polyvinyl chloride

[@harsh2688]

Nylon =New York and London

[@lifesucks5317]

NYLON- new york and London in these countries the nylon was made at same time so that's why the name is nylon (ny- new york, lon- London)👀

[@aayushchbs4639]

SIR BAKELITE IS ALSO USED IN MAKING ELECTRIC SWITCHES

[@shivaniraghuwanshi8289]

Nyc class sir

[@akrggaming7498]

You are a great sir

[@user-ym4fd9lm3d]

Subhan Allah .

[@Fatima-yf9ej]

Q14 New York + LONdon = NYLON

[@bestofluckindia7399]

Very nice video sir I have liked it

[@anvidungarwal8130]

Sir is there any app on which you teach? I like the way of your teaching.

[@mcqncert]

No beta.. on youtube only..

[@anvidungarwal8130]

Okay sir

[@itsshweta5390]

Question,5 the nylon was prepared for the fist time in 1931

[@predator_Gam.]

Nylon was prepared in 1931 on pg no 33 top paragraph that is about Nylon . In ncert book

[@blueskychannel2227]

6. 1931

[@bandanayadav8757]

1931

[@chelisa1127]

PET FULL FORM IS POLYETHYLENE TEREPHTHALATE

[@technicalfacts8936]

PET - polyethene tetrafthalate