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
FOR ALAKH SIR -- This man is literally born to make history
@GauravzGupta
2 жыл бұрын
FOR OP GAMER - THIS MAN IS LITERALLY BORN FOR SPAMMING
@adityaaaa79
2 жыл бұрын
@@GauravzGupta 😂😂
@khabarpachisi3351
2 жыл бұрын
Pehele padalo beta...
@beyondtheken7419
2 жыл бұрын
bhai kya hi history bnega
@mohitagg864
2 жыл бұрын
no it's different physics wallah
I MUST SAY, HIS TEACHING METHOD AND EFFORTS ARE HIGHLY APPRECIABLE..!😇 😇
@user-ji4ko1iv6n
6 ай бұрын
Really this is true
@BhumiSingh-cd9vy
18 күн бұрын
I'm satisfied to you😌🙂
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
11 ай бұрын
binod
@rakeshtiwari5542
11 ай бұрын
👍
@jairajputana3399
11 ай бұрын
And time also
@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
10 ай бұрын
Correct
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 ⚗️🧪
Who are the backbenchers here?? Edit- Wassup juniors ma to boards de rha hun 🥲
@Krishnmayi__shiwanii___0
9 ай бұрын
Me also but I am topper of my school 🏫
@ASHLEY_SAKI_
9 ай бұрын
@@Krishnmayi__shiwanii___0how bro
@mayankop64
8 ай бұрын
Me also with my gang CARDINAL 😂😂😂
@jayyjaat8
8 ай бұрын
@@Krishnmayi__shiwanii___0topper kaise bante h bata do ❤
@Pinki_2378
8 ай бұрын
Topper
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
Ай бұрын
Candle flame is yellow due to the lack of oxygen More oxygen is equal to blue flame
@Amanpatel.Bihar1
27 күн бұрын
😮
@rishi-xg3ln
12 күн бұрын
@@sunitaKumari-zr4hj yes in yellow there is incomplete combustion and in blue complete combustion...
40:39 , sir, we can also extinguish fire by cement powder is not it sir 🙏
Sir ne puree video mai "Bhaukaal maccha diya" 😂😂
Sir. Bhaukal macha diya 🔥🔥🔥🔥💥
Physics wallah : Literally with 0 haters Alakh sir is an actual legend ✨✨
@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
Жыл бұрын
i am one
@user-hv1rr7rq3l
4 ай бұрын
Bro all other institutes are haters😂
@jagdishnarayansharma
3 ай бұрын
Bro then why are you here go to your sir😤
What a explanation sir👍👌
@Yaduvanshi00012
5 ай бұрын
❤❤❤
amazing teaching sir ❤❤ I understood everything ❤❤❤
'Khatarnak understanding ''. Epic one 😂 My brain during this whole lecture was - "aag laga di aag laga di aag laga di aag laga di"
@xizento
Жыл бұрын
anu malik op😂😂
I must say , his teaching method and efforts are highly appreciable 😇
@priyankaduggal
Жыл бұрын
True
@romeojod2230
Жыл бұрын
No
Amazing teaching skills👍👍👍
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......
Arrival of sunil sir is directly proportional to level of excitement
@laxmanakhare8291
Жыл бұрын
Bhaukal macha denge Sunil sir😄😄😄😄😄
@romeojod2230
11 ай бұрын
@@laxmanakhare8291😂
Amazing lecture ❤ thank u so much sir
@Akmalhussain-xc9pq
Жыл бұрын
Yes it was extremely good
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
9 ай бұрын
Haggu
@lordkatyayan2467
7 ай бұрын
@@GodzexOfficialsahi me
Sir when I heard ''jai siya ram'' fire started spreading in my heart🤟🤟 You teach so good🙏🙏
I always appreciate his teaching method
@Haam9873
11 ай бұрын
Bhakkkkk
@mittalpatel8358
10 ай бұрын
Ya
@user-oi5rt4dv7o
8 ай бұрын
Pudina
Thank you sir for delivering beautiful lecture.
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
11 ай бұрын
binod
@poisonousgem1142
10 ай бұрын
har comment me binod @@user-ix3nj5be7p
@gopalsinghrajput358
10 ай бұрын
Binod
@tarunyoutuber774
9 ай бұрын
Congratulations bro for 3800 subscribers
exam is near nothing is clear there is no fear but sunil sir is here : like plz :} yo wai mo *- * ************** ** * * *
@preitysardar2470
2 ай бұрын
Nice
I am very thankful to you sir Thanku so much sir 🤗🤗❤️❤️ Great level of explaination sir 👍😊🤗🤗❤️❤️
@ayushpandey8305
Жыл бұрын
Right 👍👍👍
@Vikas-lr7bk
Жыл бұрын
👌
This teacher is like a diamond
@xcm-esp-2
7 ай бұрын
Yesss
@user-bg7pj5xn8w
7 ай бұрын
❤
@SoudaminiDash
Ай бұрын
He is like a green tree 🌱🌷🍀💚
Thank you very much Sir . This Helped me a lot.
@user-oi5rt4dv7o
8 ай бұрын
Xxx
Sir your teaching is very entertaning and like your study method very much❤
Sir your bhokal macha denge dialogue is sooo good😂🎉🎉😂😂😂
@shahidhussainkhan5796
11 ай бұрын
me too😂
@user-ix3nj5be7p
11 ай бұрын
binod
@user-ix3nj5be7p
11 ай бұрын
binod only binod
I read in dps chas a best school but this type of explanation is unbelievable Sunil sir
@kidclashytkidclashyt7166
Жыл бұрын
Koi best nhi h bro hum bhi pdh rhe dps Ranchi me
@user-tb2tc4dq7u
Жыл бұрын
I am also study in dps rajas.
@nidhisingh532
Жыл бұрын
agreed
All doubts clear 👍🏻☘️
Sunil Sir is a legend teacher
One of the best teacher of chemistry that we study. His way of teaching more enjoy and attractive that I saw
@mohdnaim4441
Жыл бұрын
Ya
@mohdnaim4441
Жыл бұрын
U are absolutely right
@GamerBoy99997
Жыл бұрын
Also all teachers are also great
Great job sir
Thank you so much sir you helped me in my internal assessment. Nice and easy explanation
@user-ix3nj5be7p
11 ай бұрын
binod
very good video i understood all concepts thank you physics wallah
49:45 Sir I understand the capillary action
Thank you so much sir❤ really you are an amazing teacher 😊
Nice explanation❤❤🎉🎉
Sir because of you I got 78/80 in science and now I am the topper of the class in science
@ddddrddd6288
9 ай бұрын
Pucha kisi ne ?
@AMPforSure
9 ай бұрын
@@ddddrddd6288 OOOOOOOOOOOOOOOOHHHHHHHHHHHH BHAI ME NAHI SEHETA
@SunilKumar-ze2tq
8 ай бұрын
Mere bhi✨
@mittalpatel8358
8 ай бұрын
Teri maa ne mujhe tujko javne ko kaha tha
@anshika.singh2014
6 ай бұрын
Me too 😁
Literally i like very much because in this video all concepts are cleared 😊😊 thank you so much sir😊😊😊😊😊😊😊😊😊
@chikudhattarwal
8 ай бұрын
😊😊
@chikudhattarwal
8 ай бұрын
Good
❤just loved the lecture🫶🏻
"Jo Aag Bujha Rha Hai Usi Ko Bhuja Dega" Was Epic 😂
Literally I like very much because in this video all concepts are cleared.😊 Thanks sir 😄☺️
@SunilKumar-ze2tq
8 ай бұрын
Kaunse school me ho
@vinodmaharia8220
8 ай бұрын
Aapse matlab 🤫
Amazing ,mind blowing explanation !!
@mafiadancer824official
5 ай бұрын
No, you have to say bhokal level explanation
No word's for the explanation ❤
@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
4 ай бұрын
@@shreesoni9078 kehna kya chahte ho 💀
Thankyou so much sir for this amazing class
Literally sir you teaching is so good and important 🌼
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 😍
Best teacher coming for extinguished chemistry
@manasiah1322
9 ай бұрын
Bro hii
@manasiah1322
9 ай бұрын
Me tere dekhne ke 4 din baad dekh ra hu 😶🙂
Superb way of teaching
Our teacher taught us this ch in 5 periods and each period is of 40 mins but still couldn’t understand a thing😅
This man is a bright star of pw
@pachratanmaurya4799
Жыл бұрын
Yes you are right bro 👍🤗
@shakeelashiekh3038
Жыл бұрын
Of course
@dushyantsivakumar3737
Жыл бұрын
FAX
@ultimatechiraggamer184
Жыл бұрын
Fax
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
4 ай бұрын
Ane itna bada kyu likha
@saritasharma9731
4 ай бұрын
do good and get better Mark's in finalls
Best Explanation ❤
Sir you are great 😊
Sir your lectures are to enjoying and informative 🙏🙏
hello sir . i wanted online classes for next year 9th grade. are there any batches available from next year?
@hemantgupta8518
Жыл бұрын
Me too
@sujay6983
Жыл бұрын
@@hemantgupta8518 me too
Sir aapne kaha ki oxygen jalti nahi jalati hai to oxygen calender jo hospital mein hota hai wo kese blast hota hai
@Simrantyagi280
Ай бұрын
Aree vo isse wajah se toh hit hai
Sir agar candle ko bujha de to usse jb dhua niklega to use bhi hum log smouldering of candle bolenge na.....?????
@MdFarhaan952
Ай бұрын
Ha bhai kyunki bujhaane ke baad flame nhi ban rha h😊😊
Best type of teaching, I never seen this type of teaching. Thank you sir for teaching
@richukumari327
Жыл бұрын
Wonder ful explanation
Thank you Sunil sir for good explanation
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
Nobody can not teach like digraj sir.
@debasmitapatra2578
Жыл бұрын
All teachers are best in their own place.
@SiddhiVinayakMart
Жыл бұрын
Digraaj sir is also best but for sst and here Sunil sir is best😊
Sir Lpg in a form of glow/ flame
@tharabhaijoginderroastpage4949
Жыл бұрын
Flame
@msd_bangtan7
Жыл бұрын
@@tharabhaijoginderroastpage4949 are you a k-pop stanner
Thanks sir for giving extra knowledge for all of us 👍👍😀😎
@Killer.yashveer
Жыл бұрын
Extra knowledge nahi hai yaar bus naam karane ke liye extra knowledge tho Olympiad book 📚 me bhi hote hai
@fable9272
Жыл бұрын
@@Killer.yashveer no
Sir very good explanation of the chapter ❤️❤️
11:37 heart touching part❤
Amazing class sir
All the teachers of physics wallah are explaining very well👏
@ravendrasinghrajput5289
8 ай бұрын
😊😊😊😊😊
Sir ji I am thankful to you. So clear my all doubts in a video
Sodium chloride should be used to extinguish fire due to magnesium metal
Sir you are the most inspiring teacher I have ever studied from
@ajeetprakashsharma2823
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
Жыл бұрын
Bro bon appetite means food
@Best.Penguin123
10 ай бұрын
Haan
@HUDAMOHMMAD
6 ай бұрын
@@anjanasinha2861 lol
Thank you sirmy all doubts are cleared related to this chapter.
Sunil sir u r the best teacher 😊 Yours explanation is....💫💫🤌
Really a very great explaination sir....😊
Amazing lecture❤..I just want to pay my gratitude to you sir for making us doubtless.. Tq sir🥰
sir , you are the best ,, I bet no one can teach good like you 😘
Sir your style is so good 😊😊😊💯😊😊😊
Sir your intro is always op thanks for supporting ❤️❤️
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
Жыл бұрын
In Delhi Or Kota And Varanasi Praygraj Gorakhpur
@itz__jay__0007
Жыл бұрын
Subscribe Please
Sir does spontaneous combustion also describes rapid combustion
@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
Literally your teaching style is amazing sir , what ever u teach we understand nicely sir 🙂❤
@user-ix3nj5be7p
11 ай бұрын
binod
Thank u sir 🙏☺🙌❤
Superb sir jii, it helped me a lot🙏😊
Wonderful ✨😍explanation sir ❤🎉🎉🎉😊
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!?
Thnx u sir to teach us ❤
@Akmalhussain-xc9pq
Жыл бұрын
Same to me
What type of combustion takes place in coal , sir?
@devthakur7950
Жыл бұрын
slow combustion
@ramanandmaurya1269
Жыл бұрын
Rapid and smouldering
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
7 ай бұрын
@darkshadow 0723 is 👍
@ranimishra309
4 ай бұрын
Yes he or she is right
@flowers6259
4 ай бұрын
What is flame ? Can anyone plz tell
@Disaster_444
4 ай бұрын
Flame is a region of burning gases
Thank you so much sir ji ❤❤❤
Sunil sir maja aya👏👏
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
Жыл бұрын
Vo tumhara bright future chahte hai .... unko samjho
@syedanushah
Жыл бұрын
@@disharathore6574 u are right
@nxxna7949
Жыл бұрын
Bhai 8th mein ro rhe ho 10th mein to ao
@naklilulu1465
Жыл бұрын
19s people be like hamko toh depression ka matlab hi nhi bata tha
@nxxna7949
Жыл бұрын
@@naklilulu1465 😂
Nice experiment 😁 Thank you❤
@Aayushi_kri
7 ай бұрын
👍
This is a very convenient video to revise any chapter
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
Жыл бұрын
Ya , because there's glow only , not a flame ( 👆🏻In my opinion)
Thank you so much sir. I was so much confused in this ch. But your doubts make me clear.
@rewatidwivedi2499
Жыл бұрын
Exams are coming next week that's why thank u
sir match sticks will come in which type of combustion
Sir u r diamond ana best teacher for science 😊😊😊😊