Physical and Chemical Changes | Full Chapter Revision under 30 mins | Class 7 Science

Access the PDFs of 'Chapter notes' and 'Most important questions' of Grade 7 Chapter 'Physical and Chemical Changes': byjus.com/ncert-solutions-cla...
BYJU'S Self Study Program: shop.byjus.com/collections/bt...
➡️ Access Chapter Notes, Attempt Quizzes from: byjus.com/cbse/revision-video...
➡️ Download the BYJU'S App Now:
IOS Link: apps.apple.com/us/app/byjus-t...
Android Link: play.google.com/store/apps/de...
➡️ Join your free class @BYJU'S Now:
byjus.com/byjus-classes-book-...
📢Join our Telegram Channel:
t.me/byjusclasses678official 🔔
👉SUBSCRIBE here & don’t forget to turn on your notifications 🔔
/ @byjusclass910
#BYJU'S

[@vinodkumarsingh1458]

Best teacher ever for chemistry 😀😀😀

[@geniusaj1549]

HW question 24:01 b change in colour From blue to Green 23:57

[@geniusaj1549]

😅😅😅

[@thespotlight75096]

10 hours till exam(8 hours sleep)2 hours left till exam

[@satakshisudeshna]

mam the hw which you have given, the ans of it is option B

[@chandanlalkachhawah3904]

Good afternoon mam What is the full form and Short form of burning of a candle?

[@user-sm2vh1oo9h]

H.W :- ( B ) change in colour

[@Avinash-ie8tb]

Ma,am option B

[@Mislimah.274]

❤

[@Avinash-ie8tb]

Wow

[@Stumbleguyzzz]

ma'am b. change in color

[@user-is7ge8tn3e]

In this world or India there r a lot of students who don’t know hindi

[@SHAURYAPANDEYPANDEY-dp5js]

To ja Koi or video dekh le

[@gajananthakare7620]

😂😂😂

[@sanvi371]

So ??? You live in India... You can learn Hindi... It's very easy language to learn... If you can learn English then why don't you learn Hindi... It's Indian language... Don't feel shy to learn Indian language... I live in UP and I am learning the Tamil language...

[@mahammadsuhang5595]

You have time to waste that's why​@@sanvi371

[@mahammadsuhang5595]

​@@SHAURYAPANDEYPANDEY-dp5jsbro shut up

[@M.RPIYUSH-yy2ke]

Answers is (B) Change in colour And Video is Wow

[@AgrimKathuria]

So beautiful so elegant just looking like a wow

[@devlalpatel9881]

Change in colour 😊

[@saanchiverma7436]

Nice session H.w : (b) Change in colour

[@user-is7ge8tn3e]

It’s like ur teaching for Hindi students onlt

[@avleenkaur7252]

homework answer - b change in colour

[@AtomicStudent]

Ma'am b for sure Explanation Ma'am when an iron nail is diped and left in it for some time the iron will replace the copper because it is more reactive and that's why the colour changes when iron nail Is diped In copper sulphate🎉 We can say displacement reaction is happening 🎉🎉 Thank u whoever have saw my ans 🎉🎉

[@LARON-S]

bhai kitne ghante padhte ho💀

[@AgrimKathuria]

Bhai them ja

[@Anime_Society98]

Option B

[@TheArtfulArtist1230]

Change in colour

[@jayaprakashsahoo6732]

Good

[@TejasTiwari-tb2qo]

Students from Uttar Pradesh 2024 ⚜️🔱

[@Exclusively_yours]

Mam I think the answer is change in colour

[@prabhdipsingh3272]

Good morning mam Option B is correct option😊

[@fathimashahulhameed7211]

change in colour

[@Jellybean673]

Change in color

[@user-ec7wz1hh8e]

b) Change in colour

[@ArtAdventure-rc1ss]

Hi this is samiksha

[@Piyushsahu1020]

Change in coler

[@krishnasable7366]

Ok

[@ranjitsakhare4938]

Third comment but 17th like

[@user-ox1el1ys6z]

B ans rights answer 💯

[@shaziashanawaz5639]

B change in colour

[@craftylafty]

Hello aasia

[@Ritujaiswal2233]

Hi second comment 2 like

[@Sainathyaragal25]

4 comment 21 like 😂

[@madhuchandala6691]

66 like 30 comment

[@jayaprakashsahoo6732]

Very

[@hardikthemasterofkeyboard8285]

Ma'am change in colour

[@jayaprakashsahoo6732]

Just

[@mahammadsuhang5595]

B

[@jayaprakashsahoo6732]

Vid

[@thespotlight75096]

Tmr last exam which is sc

[@poshali1234]

1st comment and 1st like...!! ❤❤❤❤

[@Pikachu_p869]

Hii

[@poshali1234]

@@Pikachu_p869 Hi...!!

[@Pikachu_p869]

Hii

[@Pikachu_p869]

Kahi or chale?

[@poshali1234]

@@Pikachu_p869 ???

[@jayaprakashsahoo6732]

Ok the ans is

[@bharathiivaturi2137]

Opt.B

[@jayaprakashsahoo6732]

Ans

[@DAKSHESH79]

Ans. B

[@yusha.the.explorer]

Mam wastewater story

[@jayaprakashsahoo6732]

He Hehhe

[@Akeelonly]

Hi mam

[@GTX_GAMERZ-ju9le]

bye

[@user-wz8yi7cl2n]

B part

[@jayaprakashsahoo6732]

Is

[@jayaprakashsahoo6732]

The

[@Hint_gamer]

Legend watching this video 2x speed 😂

[@Shagun_yadav2125]

Sahi bola

[@WHITE-du4mg]

ssiiuuuuuuuuuuuuuuuuuuuuuuuuuuuu

[@AgrimKathuria]

Hail Ronaldo

[@user-is7ge8tn3e]

And I am not disrespecting pls teach in english

[@poongodianbalagan6653]

speak tamil or in english

[@Saiamruthareddy]

Hi mam East or west byjus is the best

[@MrDeeisha]

bhai english nahi seekhi kya

[@mahammadsuhang5595]

Tune nahi seekhi lahta he

[@user-is7ge8tn3e]

Y do teach in hindi

[@WHITE-du4mg]

7th coment

[@AgrimKathuria]

1

[@AgrimKathuria]

2

[@AgrimKathuria]

3

[@AgrimKathuria]

4

[@AgrimKathuria]

5

[@user-is7ge8tn3e]

Byjus teachers should know Eng and y can’t u teach in a commen language which is eng

[@krishnasable7366]

You dont know english

[@ashishbajaj2819]

change in colour

[@shivam829R]

Change in colour

[@jayaprakashsahoo6732]

Wow

[@ashrithyedla94]

Change in color

[@IstuteeTiwari]

Option B

[@monstergamingxym2197]

B

[@jayaprakashsahoo6732]

Is

[@jayaprakashsahoo6732]

The

[@kingr.k8653]

Change in colour

[@user-sp3pn9pl9b]

change in colour

[@36ashouryatiwari37]

Change in colour

[@piyankadutta2957]

Change in colour

[@user-it6lg9cd8c]

Change in colour

[@subhashinigrao3568]

Change in colour

[@mahammadsuhang5595]

B

[@jayaprakashsahoo6732]

B

[@PARTHNISHAD-vf4mm]

B