Combustion and Flame in One Shot | Chemistry - Class 8th | Umang | Physics Wallah

📝 For complete notes of Lectures, visit Umang Batch in the Batch Section of PhysicsWallah App/Website.
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▶️Complete CLASS 8TH - SCIENCE ONE SHOT Lectures - • Science - Class 8th NCERT
In this lecture of Umang batch, Sunil sir is going to teach you about Combustion and flame.
Topics covered in this lecture are-
•Combustion
•Types of Combustion
•Fire triangle
•Why candle's flame goes up?
•Zones of candle flames
•Calorific Value
and some interesting questions for practice.
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There are other topics of Science that we are going to cover in upcoming videos for Umang. Stay tuned with Physics Wallah Foundation.
🔴 Details about the batch -
• Recorded Lectures for Class 8th Students.
• PDF Notes of each Lecture will be available on the PW App.
• Weekly Lecture Planner will be uploaded on PW Foundation Community Page.
• Classes will start from 10th January and we will cover the whole syllabus by 10th March.
🎦 Eight Lectures per week will be uploaded.
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#Science #Class8 #Umang

Пікірлер: 2 500

  • @sauravchaudhary3236
    @sauravchaudhary32362 жыл бұрын

    FOR ALAKH SIR -- This man is literally born to make history

  • @GauravzGupta

    @GauravzGupta

    2 жыл бұрын

    FOR OP GAMER - THIS MAN IS LITERALLY BORN FOR SPAMMING

  • @adityaaaa79

    @adityaaaa79

    2 жыл бұрын

    @@GauravzGupta 😂😂

  • @khabarpachisi3351

    @khabarpachisi3351

    2 жыл бұрын

    Pehele padalo beta...

  • @beyondtheken7419

    @beyondtheken7419

    2 жыл бұрын

    bhai kya hi history bnega

  • @mohitagg864

    @mohitagg864

    2 жыл бұрын

    no it's different physics wallah

  • @user-ji4ko1iv6n
    @user-ji4ko1iv6n6 ай бұрын

    I MUST SAY, HIS TEACHING METHOD AND EFFORTS ARE HIGHLY APPRECIABLE..!😇 😇

  • @user-ji4ko1iv6n

    @user-ji4ko1iv6n

    6 ай бұрын

    Really this is true

  • @BhumiSingh-cd9vy

    @BhumiSingh-cd9vy

    18 күн бұрын

    I'm satisfied to you😌🙂

  • @shivgovind4684
    @shivgovind4684 Жыл бұрын

    They are providing education better than our school teachers without any fees..... Think about this topic deeply once😮😮 We need these kind of teacher in our school also where we waste our alot of money monthly😢

  • @user-ix3nj5be7p

    @user-ix3nj5be7p

    11 ай бұрын

    binod

  • @rakeshtiwari5542

    @rakeshtiwari5542

    11 ай бұрын

    👍

  • @jairajputana3399

    @jairajputana3399

    11 ай бұрын

    And time also

  • @shivgovind4684

    @shivgovind4684

    11 ай бұрын

    @@jairajputana3399 yea, time is priceless. Our time also waste in schools unnecessary classes of 6hours which is only fornt benchers can understand1 hour in traveling and 2-3 hours in their random homework and non sense activities🤦🤦😏

  • @SangatiVariya-qj3fl

    @SangatiVariya-qj3fl

    10 ай бұрын

    Correct

  • @IshwarPrem.
    @IshwarPrem.2 ай бұрын

    He is king 👑 of chemistry no one can beat him in this field in his field he excel my juniors beleive in him he will make you champion 🏆 in chemistry ⚗️🧪

  • @heisfinicky
    @heisfinicky Жыл бұрын

    Who are the backbenchers here?? Edit- Wassup juniors ma to boards de rha hun 🥲

  • @Krishnmayi__shiwanii___0

    @Krishnmayi__shiwanii___0

    9 ай бұрын

    Me also but I am topper of my school 🏫

  • @ASHLEY_SAKI_

    @ASHLEY_SAKI_

    9 ай бұрын

    ​@@Krishnmayi__shiwanii___0how bro

  • @mayankop64

    @mayankop64

    8 ай бұрын

    Me also with my gang CARDINAL 😂😂😂

  • @jayyjaat8

    @jayyjaat8

    8 ай бұрын

    ​@@Krishnmayi__shiwanii___0topper kaise bante h bata do ❤

  • @Pinki_2378

    @Pinki_2378

    8 ай бұрын

    Topper

  • @AryanSingh75950
    @AryanSingh75950Ай бұрын

    Sir, there was a question, when we burn chandel, it burns yellow but when we burn gas, why does it burn blue, sir?

  • @sunitaKumari-zr4hj

    @sunitaKumari-zr4hj

    Ай бұрын

    Candle flame is yellow due to the lack of oxygen More oxygen is equal to blue flame

  • @Amanpatel.Bihar1

    @Amanpatel.Bihar1

    27 күн бұрын

    😮

  • @rishi-xg3ln

    @rishi-xg3ln

    12 күн бұрын

    @@sunitaKumari-zr4hj yes in yellow there is incomplete combustion and in blue complete combustion...

  • @Starffofficial710
    @Starffofficial7108 ай бұрын

    40:39 , sir, we can also extinguish fire by cement powder is not it sir 🙏

  • @SantoshSingh-iw4np
    @SantoshSingh-iw4np8 ай бұрын

    Sir ne puree video mai "Bhaukaal maccha diya" 😂😂

  • @Priya-wk9vo
    @Priya-wk9vo Жыл бұрын

    Sir. Bhaukal macha diya 🔥🔥🔥🔥💥

  • @richasharma542
    @richasharma542 Жыл бұрын

    Physics wallah : Literally with 0 haters Alakh sir is an actual legend ✨✨

  • @Kabir82633

    @Kabir82633

    Жыл бұрын

    BRO SUNIL SIR MADE A LOT OF EFFORTS MAKING THIS VIDEO AND TEACHING US U SHOULD APPRICIATE HIM HE IS A LEGEND BRUHH

  • @donboss6728

    @donboss6728

    Жыл бұрын

    i am one

  • @user-hv1rr7rq3l

    @user-hv1rr7rq3l

    4 ай бұрын

    Bro all other institutes are haters😂

  • @jagdishnarayansharma

    @jagdishnarayansharma

    3 ай бұрын

    Bro then why are you here go to your sir😤

  • @Aaru_54765
    @Aaru_5476511 ай бұрын

    What a explanation sir👍👌

  • @Yaduvanshi00012

    @Yaduvanshi00012

    5 ай бұрын

    ❤❤❤

  • @adityagaikwad8593
    @adityagaikwad8593 Жыл бұрын

    amazing teaching sir ❤❤ I understood everything ❤❤❤

  • @laxmikushwaha8135
    @laxmikushwaha8135 Жыл бұрын

    'Khatarnak understanding ''. Epic one 😂 My brain during this whole lecture was - "aag laga di aag laga di aag laga di aag laga di"

  • @xizento

    @xizento

    Жыл бұрын

    anu malik op😂😂

  • @aryabhalla4716
    @aryabhalla4716 Жыл бұрын

    I must say , his teaching method and efforts are highly appreciable 😇

  • @priyankaduggal

    @priyankaduggal

    Жыл бұрын

    True

  • @romeojod2230

    @romeojod2230

    Жыл бұрын

    No

  • @originalbeauty5802
    @originalbeauty5802 Жыл бұрын

    Amazing teaching skills👍👍👍

  • @user-xt9fs7xt9p
    @user-xt9fs7xt9p Жыл бұрын

    U r amazing sir .... 🎉 to teaching way is soo amazing I understanding the whole CH by this video thanku sir now I will use ur video for study......

  • @utkarshrai5934
    @utkarshrai59342 жыл бұрын

    Arrival of sunil sir is directly proportional to level of excitement

  • @laxmanakhare8291

    @laxmanakhare8291

    Жыл бұрын

    Bhaukal macha denge Sunil sir😄😄😄😄😄

  • @romeojod2230

    @romeojod2230

    11 ай бұрын

    ​@@laxmanakhare8291😂

  • @user-le9hb3vm3t
    @user-le9hb3vm3t Жыл бұрын

    Amazing lecture ❤ thank u so much sir

  • @Akmalhussain-xc9pq

    @Akmalhussain-xc9pq

    Жыл бұрын

    Yes it was extremely good

  • @coder_yashjain2215
    @coder_yashjain221510 ай бұрын

    Thank you sir,Literally i had a tough time dealing with this chapter but after seeing your video it made this chapter feel like a piece of cake.

  • @GodzexOfficial

    @GodzexOfficial

    9 ай бұрын

    Haggu

  • @lordkatyayan2467

    @lordkatyayan2467

    7 ай бұрын

    ​@@GodzexOfficialsahi me

  • @aadvikgupta4759
    @aadvikgupta475911 ай бұрын

    Sir when I heard ''jai siya ram'' fire started spreading in my heart🤟🤟 You teach so good🙏🙏

  • @cricansh5171
    @cricansh5171 Жыл бұрын

    I always appreciate his teaching method

  • @Haam9873

    @Haam9873

    11 ай бұрын

    Bhakkkkk

  • @mittalpatel8358

    @mittalpatel8358

    10 ай бұрын

    Ya

  • @user-oi5rt4dv7o

    @user-oi5rt4dv7o

    8 ай бұрын

    Pudina

  • @ishmeetbali1544
    @ishmeetbali15448 ай бұрын

    Thank you sir for delivering beautiful lecture.

  • @rokogaming1234
    @rokogaming123411 ай бұрын

    Sir, I don't know will you read my message, but you are literally multitalented and after watching this video my mind only says sunil sir ki jay ho!

  • @user-ix3nj5be7p

    @user-ix3nj5be7p

    11 ай бұрын

    binod

  • @poisonousgem1142

    @poisonousgem1142

    10 ай бұрын

    har comment me binod @@user-ix3nj5be7p

  • @gopalsinghrajput358

    @gopalsinghrajput358

    10 ай бұрын

    Binod

  • @tarunyoutuber774

    @tarunyoutuber774

    9 ай бұрын

    Congratulations bro for 3800 subscribers

  • @Swapnilsardar-
    @Swapnilsardar-2 ай бұрын

    exam is near nothing is clear there is no fear but sunil sir is here : like plz :} yo wai mo *- * ************** ** * * *

  • @preitysardar2470

    @preitysardar2470

    2 ай бұрын

    Nice

  • @Priya_70177
    @Priya_70177 Жыл бұрын

    I am very thankful to you sir Thanku so much sir 🤗🤗❤️❤️ Great level of explaination sir 👍😊🤗🤗❤️❤️

  • @ayushpandey8305

    @ayushpandey8305

    Жыл бұрын

    Right 👍👍👍

  • @Vikas-lr7bk

    @Vikas-lr7bk

    Жыл бұрын

    👌

  • @rahmatsaba7041
    @rahmatsaba7041 Жыл бұрын

    This teacher is like a diamond

  • @xcm-esp-2

    @xcm-esp-2

    7 ай бұрын

    Yesss

  • @user-bg7pj5xn8w

    @user-bg7pj5xn8w

    7 ай бұрын

  • @SoudaminiDash

    @SoudaminiDash

    Ай бұрын

    He is like a green tree 🌱🌷🍀💚

  • @TheMotivatingSaiyan
    @TheMotivatingSaiyan Жыл бұрын

    Thank you very much Sir . This Helped me a lot.

  • @user-oi5rt4dv7o

    @user-oi5rt4dv7o

    8 ай бұрын

    Xxx

  • @dubeyxpresslogistics6188
    @dubeyxpresslogistics618811 ай бұрын

    Sir your teaching is very entertaning and like your study method very much❤

  • @sanjaykumarsharma8729
    @sanjaykumarsharma8729 Жыл бұрын

    Sir your bhokal macha denge dialogue is sooo good😂🎉🎉😂😂😂

  • @shahidhussainkhan5796

    @shahidhussainkhan5796

    11 ай бұрын

    me too😂

  • @user-ix3nj5be7p

    @user-ix3nj5be7p

    11 ай бұрын

    binod

  • @user-ix3nj5be7p

    @user-ix3nj5be7p

    11 ай бұрын

    binod only binod

  • @akhileshthelegendff
    @akhileshthelegendff Жыл бұрын

    I read in dps chas a best school but this type of explanation is unbelievable Sunil sir

  • @kidclashytkidclashyt7166

    @kidclashytkidclashyt7166

    Жыл бұрын

    Koi best nhi h bro hum bhi pdh rhe dps Ranchi me

  • @user-tb2tc4dq7u

    @user-tb2tc4dq7u

    Жыл бұрын

    I am also study in dps rajas.

  • @nidhisingh532

    @nidhisingh532

    Жыл бұрын

    agreed

  • @rahil.113
    @rahil.11310 ай бұрын

    All doubts clear 👍🏻☘️

  • @Adarsh__Rajput868
    @Adarsh__Rajput86811 ай бұрын

    Sunil Sir is a legend teacher

  • @nonstop4489
    @nonstop4489 Жыл бұрын

    One of the best teacher of chemistry that we study. His way of teaching more enjoy and attractive that I saw

  • @mohdnaim4441

    @mohdnaim4441

    Жыл бұрын

    Ya

  • @mohdnaim4441

    @mohdnaim4441

    Жыл бұрын

    U are absolutely right

  • @GamerBoy99997

    @GamerBoy99997

    Жыл бұрын

    Also all teachers are also great

  • @gamers999
    @gamers999 Жыл бұрын

    Great job sir

  • @kumarvansh6989
    @kumarvansh698911 ай бұрын

    Thank you so much sir you helped me in my internal assessment. Nice and easy explanation

  • @user-ix3nj5be7p

    @user-ix3nj5be7p

    11 ай бұрын

    binod

  • @folkloresupremacy13
    @folkloresupremacy1311 ай бұрын

    very good video i understood all concepts thank you physics wallah

  • @suraiyaparvin2756
    @suraiyaparvin27562 жыл бұрын

    49:45 Sir I understand the capillary action

  • @annusheoran6073
    @annusheoran60738 ай бұрын

    Thank you so much sir❤ really you are an amazing teacher 😊

  • @SanjayKumar-dc6is
    @SanjayKumar-dc6is10 ай бұрын

    Nice explanation❤❤🎉🎉

  • @mittalpatel8358
    @mittalpatel835810 ай бұрын

    Sir because of you I got 78/80 in science and now I am the topper of the class in science

  • @ddddrddd6288

    @ddddrddd6288

    9 ай бұрын

    Pucha kisi ne ?

  • @AMPforSure

    @AMPforSure

    9 ай бұрын

    @@ddddrddd6288 OOOOOOOOOOOOOOOOHHHHHHHHHHHH BHAI ME NAHI SEHETA

  • @SunilKumar-ze2tq

    @SunilKumar-ze2tq

    8 ай бұрын

    Mere bhi✨

  • @mittalpatel8358

    @mittalpatel8358

    8 ай бұрын

    Teri maa ne mujhe tujko javne ko kaha tha

  • @anshika.singh2014

    @anshika.singh2014

    6 ай бұрын

    Me too 😁

  • @chikudhattarwal
    @chikudhattarwal8 ай бұрын

    Literally i like very much because in this video all concepts are cleared 😊😊 thank you so much sir😊😊😊😊😊😊😊😊😊

  • @chikudhattarwal

    @chikudhattarwal

    8 ай бұрын

    😊😊

  • @chikudhattarwal

    @chikudhattarwal

    8 ай бұрын

    Good

  • @pyaracoco2168
    @pyaracoco2168 Жыл бұрын

    ❤just loved the lecture🫶🏻

  • @CATO_YT860
    @CATO_YT8608 ай бұрын

    "Jo Aag Bujha Rha Hai Usi Ko Bhuja Dega" Was Epic 😂

  • @vinodmaharia8220
    @vinodmaharia82208 ай бұрын

    Literally I like very much because in this video all concepts are cleared.😊 Thanks sir 😄☺️

  • @SunilKumar-ze2tq

    @SunilKumar-ze2tq

    8 ай бұрын

    Kaunse school me ho

  • @vinodmaharia8220

    @vinodmaharia8220

    8 ай бұрын

    Aapse matlab 🤫

  • @tanishkavyas1476
    @tanishkavyas14768 ай бұрын

    Amazing ,mind blowing explanation !!

  • @mafiadancer824official

    @mafiadancer824official

    5 ай бұрын

    No, you have to say bhokal level explanation

  • @ffwrudra94
    @ffwrudra948 ай бұрын

    No word's for the explanation ❤

  • @shreesoni9078

    @shreesoni9078

    7 ай бұрын

    Haa kyu kii eng. Ke kuchh kii words aate hamee humm jo humm likhh deyee abb or kuchh likh ne ki aukaat nahhi bacchi

  • @Kugelblitz2

    @Kugelblitz2

    4 ай бұрын

    ​@@shreesoni9078 kehna kya chahte ho 💀

  • @arpitagrawal6180
    @arpitagrawal61809 ай бұрын

    Thankyou so much sir for this amazing class

  • @samiyashaikh2823
    @samiyashaikh2823 Жыл бұрын

    Literally sir you teaching is so good and important 🌼

  • @Artist-Multitalentedkudi468
    @Artist-Multitalentedkudi468 Жыл бұрын

    Sir is great padhne ka man bhi na ho to bhi man karega itna acha sir padhate h agar aise school me bhi teachers ho to me ek bhi lecture na drop karu 😍

  • @study..for..all..subjectan9544
    @study..for..all..subjectan95449 ай бұрын

    Best teacher coming for extinguished chemistry

  • @manasiah1322

    @manasiah1322

    9 ай бұрын

    Bro hii

  • @manasiah1322

    @manasiah1322

    9 ай бұрын

    Me tere dekhne ke 4 din baad dekh ra hu 😶🙂

  • @tabassumasma3564
    @tabassumasma3564 Жыл бұрын

    Superb way of teaching

  • @user-bw4se7bo8i
    @user-bw4se7bo8i10 ай бұрын

    Our teacher taught us this ch in 5 periods and each period is of 40 mins but still couldn’t understand a thing😅

  • @pratyushsuradkar3237
    @pratyushsuradkar3237 Жыл бұрын

    This man is a bright star of pw

  • @pachratanmaurya4799

    @pachratanmaurya4799

    Жыл бұрын

    Yes you are right bro 👍🤗

  • @shakeelashiekh3038

    @shakeelashiekh3038

    Жыл бұрын

    Of course

  • @dushyantsivakumar3737

    @dushyantsivakumar3737

    Жыл бұрын

    FAX

  • @ultimatechiraggamer184

    @ultimatechiraggamer184

    Жыл бұрын

    Fax

  • @SavitriTiwari-jh9vx
    @SavitriTiwari-jh9vx4 ай бұрын

    Sir I can't understand anything from my school teacher 😅and i passed my whole year just like time pass😒 but now when I saw your video, i just think that I can also study, learn and understand science as because of my school teacher, I just started hating science🥲but now I will see your all videos and will complete my all syllabus till my final exams😊 and will do full efforts ✍️ to get highest marks in science🫰 in my class. Thank you so so so much sir ! 💕💕

  • @user-ol1vs4os8s

    @user-ol1vs4os8s

    4 ай бұрын

    Ane itna bada kyu likha

  • @saritasharma9731

    @saritasharma9731

    4 ай бұрын

    do good and get better Mark's in finalls

  • @krishnapathak98
    @krishnapathak9811 ай бұрын

    Best Explanation ❤

  • @user-bb6pc2wv8e
    @user-bb6pc2wv8e9 ай бұрын

    Sir you are great 😊

  • @divyashukla7741
    @divyashukla77412 жыл бұрын

    Sir your lectures are to enjoying and informative 🙏🙏

  • @its_renveer
    @its_renveer Жыл бұрын

    hello sir . i wanted online classes for next year 9th grade. are there any batches available from next year?

  • @hemantgupta8518

    @hemantgupta8518

    Жыл бұрын

    Me too

  • @sujay6983

    @sujay6983

    Жыл бұрын

    @@hemantgupta8518 me too

  • @creativedrawing2411
    @creativedrawing241111 ай бұрын

    Sir aapne kaha ki oxygen jalti nahi jalati hai to oxygen calender jo hospital mein hota hai wo kese blast hota hai

  • @Simrantyagi280

    @Simrantyagi280

    Ай бұрын

    Aree vo isse wajah se toh hit hai

  • @user-xq5bw4le5r
    @user-xq5bw4le5r2 ай бұрын

    Sir agar candle ko bujha de to usse jb dhua niklega to use bhi hum log smouldering of candle bolenge na.....?????

  • @MdFarhaan952

    @MdFarhaan952

    Ай бұрын

    Ha bhai kyunki bujhaane ke baad flame nhi ban rha h😊😊

  • @amanpandey5289
    @amanpandey52892 жыл бұрын

    Best type of teaching, I never seen this type of teaching. Thank you sir for teaching

  • @richukumari327

    @richukumari327

    Жыл бұрын

    Wonder ful explanation

  • @mpvlogs4095
    @mpvlogs4095 Жыл бұрын

    Thank you Sunil sir for good explanation

  • @adityabindal3219
    @adityabindal32193 ай бұрын

    sir but in my book it is written a substance suddenly bursts into flames by absorbig external heat and examples is given oil rags and hays

  • @meetanjalinayak8690
    @meetanjalinayak8690 Жыл бұрын

    Nobody can not teach like digraj sir.

  • @debasmitapatra2578

    @debasmitapatra2578

    Жыл бұрын

    All teachers are best in their own place.

  • @SiddhiVinayakMart

    @SiddhiVinayakMart

    Жыл бұрын

    Digraaj sir is also best but for sst and here Sunil sir is best😊

  • @Abhirajsingh_143
    @Abhirajsingh_143 Жыл бұрын

    Sir Lpg in a form of glow/ flame

  • @tharabhaijoginderroastpage4949

    @tharabhaijoginderroastpage4949

    Жыл бұрын

    Flame

  • @msd_bangtan7

    @msd_bangtan7

    Жыл бұрын

    @@tharabhaijoginderroastpage4949 are you a k-pop stanner

  • @sakeenabi9177
    @sakeenabi9177 Жыл бұрын

    Thanks sir for giving extra knowledge for all of us 👍👍😀😎

  • @Killer.yashveer

    @Killer.yashveer

    Жыл бұрын

    Extra knowledge nahi hai yaar bus naam karane ke liye extra knowledge tho Olympiad book 📚 me bhi hote hai

  • @fable9272

    @fable9272

    Жыл бұрын

    @@Killer.yashveer no

  • @smartjaat641
    @smartjaat6418 ай бұрын

    Sir very good explanation of the chapter ❤️❤️

  • @ATHARV_73
    @ATHARV_7311 ай бұрын

    11:37 heart touching part❤

  • @minkusharma7989
    @minkusharma7989 Жыл бұрын

    Amazing class sir

  • @soukhilalkori6036
    @soukhilalkori6036 Жыл бұрын

    All the teachers of physics wallah are explaining very well👏

  • @ravendrasinghrajput5289

    @ravendrasinghrajput5289

    8 ай бұрын

    😊😊😊😊😊

  • @user-ow7mr3jg4n
    @user-ow7mr3jg4n5 ай бұрын

    Sir ji I am thankful to you. So clear my all doubts in a video

  • @kittukittu4433
    @kittukittu44339 ай бұрын

    Sodium chloride should be used to extinguish fire due to magnesium metal

  • @baldwivedi9920
    @baldwivedi9920 Жыл бұрын

    Sir you are the most inspiring teacher I have ever studied from

  • @ajeetprakashsharma2823

    @ajeetprakashsharma2823

    Жыл бұрын

  • @BlackkPool3869
    @BlackkPool3869 Жыл бұрын

    while watching sunil sir's videos, i truly feel like i'm watching any webseries in netflix, bon appetite for you, sir!

  • @anjanasinha2861

    @anjanasinha2861

    Жыл бұрын

    Bro bon appetite means food

  • @Best.Penguin123

    @Best.Penguin123

    10 ай бұрын

    Haan

  • @HUDAMOHMMAD

    @HUDAMOHMMAD

    6 ай бұрын

    @@anjanasinha2861 lol

  • @user-sx6xt5jb8k
    @user-sx6xt5jb8k7 ай бұрын

    Thank you sirmy all doubts are cleared related to this chapter.

  • @vidyathakur9838
    @vidyathakur983810 ай бұрын

    Sunil sir u r the best teacher 😊 Yours explanation is....💫💫🤌

  • @riyatailor2088
    @riyatailor2088 Жыл бұрын

    Really a very great explaination sir....😊

  • @sudesh9581
    @sudesh95812 жыл бұрын

    Amazing lecture❤..I just want to pay my gratitude to you sir for making us doubtless.. Tq sir🥰

  • @studyCafe231
    @studyCafe2316 ай бұрын

    sir , you are the best ,, I bet no one can teach good like you 😘

  • @user-pi2go9in2n
    @user-pi2go9in2n11 ай бұрын

    Sir your style is so good 😊😊😊💯😊😊😊

  • @wavelorrd7452
    @wavelorrd74522 жыл бұрын

    Sir your intro is always op thanks for supporting ❤️❤️

  • @amitpachauri8717
    @amitpachauri8717 Жыл бұрын

    Amazing lecture mind blowing I am listening and understanding this from class 7 sir can please tell me where is your coaching center please I want to take your live lecture face to face

  • @itz__jay__0007

    @itz__jay__0007

    Жыл бұрын

    In Delhi Or Kota And Varanasi Praygraj Gorakhpur

  • @itz__jay__0007

    @itz__jay__0007

    Жыл бұрын

    Subscribe Please

  • @studycoder4559
    @studycoder45598 ай бұрын

    Sir does spontaneous combustion also describes rapid combustion

  • @dr.e-zone642

    @dr.e-zone642

    6 ай бұрын

    No spontaneous combustion and rapid combustion are different because spontaneous combustion does not require any external source of energy but rapid combustion needs

  • @rakhipandey9669
    @rakhipandey966911 ай бұрын

    Literally your teaching style is amazing sir , what ever u teach we understand nicely sir 🙂❤

  • @user-ix3nj5be7p

    @user-ix3nj5be7p

    11 ай бұрын

    binod

  • @realgamerz2203
    @realgamerz22032 жыл бұрын

    Thank u sir 🙏☺🙌❤

  • @shraddhaverma190
    @shraddhaverma190 Жыл бұрын

    Superb sir jii, it helped me a lot🙏😊

  • @AnitaDevi-zt5uy
    @AnitaDevi-zt5uy11 ай бұрын

    Wonderful ✨😍explanation sir ❤🎉🎉🎉😊

  • @Dancelove12317
    @Dancelove123177 ай бұрын

    Sir , i have a doubt in partial combustion why only carbon is left not hydrogen because as you have said that a wax is made up of hydrocarbon!?

  • @nityakulshrestha3074
    @nityakulshrestha3074 Жыл бұрын

    Thnx u sir to teach us ❤

  • @Akmalhussain-xc9pq

    @Akmalhussain-xc9pq

    Жыл бұрын

    Same to me

  • @kharkaraaala8062
    @kharkaraaala8062 Жыл бұрын

    What type of combustion takes place in coal , sir?

  • @devthakur7950

    @devthakur7950

    Жыл бұрын

    slow combustion

  • @ramanandmaurya1269

    @ramanandmaurya1269

    Жыл бұрын

    Rapid and smouldering

  • @zeb9315
    @zeb93159 ай бұрын

    you are great, explain in very good way but I am still confuse that what is fire and what is combustion. if during chemical reaction (fuel + heat + oxygen) full cycle is called combustion and if flame comes it fire is i am right. waiting for your good response

  • @_--_--_--_--_--_--_--

    @_--_--_--_--_--_--_--

    9 ай бұрын

    All Fire are combustion but all combustion are not fire....fire is just visible combustion... It's like flame

  • @puspatripathi2556

    @puspatripathi2556

    7 ай бұрын

    @darkshadow 0723 is 👍

  • @ranimishra309

    @ranimishra309

    4 ай бұрын

    Yes he or she is right

  • @flowers6259

    @flowers6259

    4 ай бұрын

    What is flame ? Can anyone plz tell

  • @Disaster_444

    @Disaster_444

    4 ай бұрын

    Flame is a region of burning gases

  • @ans_ft
    @ans_ft Жыл бұрын

    Thank you so much sir ji ❤❤❤

  • @mamtapoonia310
    @mamtapoonia310 Жыл бұрын

    Sunil sir maja aya👏👏

  • @urwa_tul_wusqa4841
    @urwa_tul_wusqa4841 Жыл бұрын

    My tears are falling and i am taking my notes trying to study.nowadays u dont need anything to feel depressed ur parents are enough

  • @disharathore6574

    @disharathore6574

    Жыл бұрын

    Vo tumhara bright future chahte hai .... unko samjho

  • @syedanushah

    @syedanushah

    Жыл бұрын

    @@disharathore6574 u are right

  • @nxxna7949

    @nxxna7949

    Жыл бұрын

    Bhai 8th mein ro rhe ho 10th mein to ao

  • @naklilulu1465

    @naklilulu1465

    Жыл бұрын

    19s people be like hamko toh depression ka matlab hi nhi bata tha

  • @nxxna7949

    @nxxna7949

    Жыл бұрын

    @@naklilulu1465 😂

  • @Technex141
    @Technex14111 ай бұрын

    Nice experiment 😁 Thank you❤

  • @Aayushi_kri

    @Aayushi_kri

    7 ай бұрын

    👍

  • @manjugupta2683
    @manjugupta26836 ай бұрын

    This is a very convenient video to revise any chapter

  • @kapilsharma-ew2wh
    @kapilsharma-ew2wh Жыл бұрын

    Sir when paper is burnt it first produce a flame but after sometime it only have a glow so can that glow be considered as smouldering?

  • @rohitachoudhary4082

    @rohitachoudhary4082

    Жыл бұрын

    Ya , because there's glow only , not a flame ( 👆🏻In my opinion)

  • @rewatidwivedi2499
    @rewatidwivedi2499 Жыл бұрын

    Thank you so much sir. I was so much confused in this ch. But your doubts make me clear.

  • @rewatidwivedi2499

    @rewatidwivedi2499

    Жыл бұрын

    Exams are coming next week that's why thank u

  • @mukeshshukla9984
    @mukeshshukla9984 Жыл бұрын

    sir match sticks will come in which type of combustion

  • @ShivaniVerma-ui8wv
    @ShivaniVerma-ui8wv Жыл бұрын

    Sir u r diamond ana best teacher for science 😊😊😊😊

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