Physical and Chemical Changes - One Shot Full Chapter Revision | Class 7 Science Chapter 6

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[@Anmol_-vm8ks]

Very nice ❤❤😂🎉😮😢😊😢😮 18:54

[@jyotikhajuria2054]

Physical changes are reversible and do not produce a new substance. Chemical changes result in the production of a new substance and cannot be reversed.

[@THESONIGUY]

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[@desaimaganbhai2923]

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[@phoolchand1962]

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[@BeereshVerma]

Yes ma'am

[@pritithakur6488]

Yes

[@amarsingh-km4zj]

Mam crystallisation ki proper defination bataiye na please

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[@Noname-nm2ti]

Ma'am if we will heat this gas more then it will turn into plasma, but it's important that you cover the glass bottle's interior with soap

[@MagnetBrainsEducation]

Thanks for the comment! You're absolutely right, if you heat the gas more, it will turn into plasma. It's important to cover the glass bottle's interior with soap to prevent the gas from igniting.

[@Noname-nm2ti]

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Mam chapter is very interesteing i am understand this chapter . Mam please send notes of this chapter

[@artexera9901]

Because wick of an candle is a non reversible but melting of wax is reversed

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[@professionalmecharena]

Thanque soooooooooooooo🎉🎉🎉🎉🎉🎉🎉🎉 much ma'am, I am clear from this chapter,🎉😊, in my class test I score 20 out of 20💯💯💯💯💯💯💯💯

[@professionalmecharena]

Thanque mam

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Kaisa gaya exam results aaya

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Thanksmamforyourgoodteaching

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[@Esporgaming]

Thank you Mam for explaining to us about physical and chemical changes

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[@SatyendraKumar-rq4lv]

Mam please acid base and salt chapter explained ❤

[@MagnetBrainsEducation]

We're so glad you're enjoying our videos and finding them helpful! We hope you continue to find them useful as you learn more about chemistry!

[@badshah2_gaming]

Thank you for watching our educational videos! We're glad you found them helpful and we hope you continue to use them as a resource in your studies.

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[@nawalmishra7329]

Thank you maam got 98/100

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[@AvneetParnav]

Thank you ma'am so much 🙏🙂

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[@meenahole3476]

Very very nice explanation ma'am Keep it up..

[@shakilshaikh8707]

Folding of paper is physical chage. Physical do not form new substance but aeroplane made by paper is new substance😮

[@snehaarya1745]

Thanku so much mam...😇😇

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[@lalchandsha1008]

Which means no rusting in space as it does not have oxygen and water

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[@sarojrana3289]

18:18 Ma'am but breaking a glass isn't a chemical as it is irreversible. So with this example we can say that one action can have both physical and chemical change 😅

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Me

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Me

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Because the paint does not provide suitable conditions for the algae to grow

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yes

[@Akgammer-qx9eo]

Mam chemical change apne sath physical change kaise kar detha hai

[@MagnetBrainsEducation]

Mam chemical change apne sath physical change kaise kar detha hai Thank you for watching our videos! We're glad you're finding them helpful. To answer your question, a chemical change is usually accompanied by a physical change. For example, when a substance changes

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Thanks man for explaining a chapter

[@AmbikaLoddan]

Mam iron will rust but why iron piller has 98.6% iron and it has built 1600 years ago how it is not rust till today?

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Please answer the question Define crystallisation

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After nahi before

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Understand very easy 😎

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I have a doubt what is the difference between galvnization and electro plating

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They both mean the same ig

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Thank you mam tomorrow is my science exam I understand all things 😊

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I think to improve this video and make new one 🕜

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Thank you

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Haha

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Same

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Aap please inke written notes banao

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Thank you for your suggestions! We will try our best to create written notes for our videos in the future.

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Formation of gas video send

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Thanks for watching our video on the formation of gas! We're glad you found it helpful and we hope you can use the knowledge in your studies. Keep an eye out for more educational videos from us!

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One doubt mam chemical change is always reversible

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No

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they are never reversible

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Physical change is reversible

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Mam please explain word equation for rusting

[@MagnetBrainsEducation]

Thanks for watching our video! We're glad you're finding it helpful. The word equation for rusting is: iron + water + oxygen --> iron oxide.

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[@Anmol_-vm8ks]

🎉Is 11:12

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Legends learning this chapter at 1 pm in night before exam👻👽

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🔥

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Thank you mam 🥰🥰

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Mam idont understand by suhar physical changes😅

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Hi

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And the people of people who

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are you serious

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Mam electroplating and stainless steel are same

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Thankyou mam I got 20 out of 20 in my class test..

[@Anmol_-vm8ks]

15:54

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