Chemical Effects of Electric Current in One Shot | Physics - Class 8th | Umang | Physics Wallah

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[sulbhakolte]

Here are some key facts about the chemical effects of electric current:
What happens?
* When an electric current is passed through a conducting solution (called an electrolyte), it causes chemical reactions.
* These reactions can lead to several observable effects:
* Gas bubbles: Gases like hydrogen or oxygen may form at the electrodes (the points where the current enters and exits the solution).
* Metal deposits: Metals can be deposited onto one of the electrodes.
* Color changes: The color of the solution may change.
Why does this happen?
* Ionization: The electrolyte solution contains ions (charged particles).
* Electrolysis: When the current flows, these ions are attracted to the electrodes and undergo chemical reactions.
* At the cathode (negative electrode): Positive ions gain electrons and are reduced (e.g., metal ions form metal atoms).
* At the anode (positive electrode): Negative ions lose electrons and are oxidized (e.g., water molecules may lose electrons to form oxygen gas).
Applications
* Electroplating: This process uses the chemical effects of electric current to coat metal objects with a thin layer of another metal. This can improve the appearance, corrosion resistance, or other properties of the object.
* Electrolysis of water: This process uses electricity to split water into its constituent elements, hydrogen and oxygen.
* Batteries: Batteries use chemical reactions to generate electricity. The reverse process, electrolysis, can be used to recharge some types of batteries.
Key Points to Remember
* The specific chemical reactions that occur depend on the type of electrolyte and the electrodes used.
* The strength of the current and the duration of the current flow also affect the extent of the chemical reactions.
* The chemical effects of electric current have many practical applications in various industries and technologies.
Let me know if you would like to learn more about any specific aspect of the chemical effects of electric current.

[ran_dom]

48:21 hamare bhai bhen alg h vo shield nhi bnte blki aur aag lga dete h bich me 😂😂😂

[SereneWinterSled-hfqi]

“exams are near”😨
“nothing is clear” 😱
“do not fear“😔
“when Alok sir is here”"😎🙏🏻 39:27

[amy]

24:12 As insulators don't have charged carriers so they resist the current flow and that's why they can't conduct electricity
56:15 In order to prevent rusting on iron, zinc is deposited. This process is called Galvanization.

[Jevendra]

56:07 Galvanization is a process in which zinc is electroplated on iron to save iron from rusting

[Itszaid]

24:07 reason :-

Because they do not have free
1 like for giving answers to you 🙏🙏

[editzgod]

The process in which a zinc layer is being deposited on iron in order to protect it from rusting is called Galvanisation

[hey_bro_]

As a senior, I remember those days when i used to study from Alok sir, his teaching style is just brilliant, I scored 98/100 in science after studying from him.

[AaravGaming-dbbv]

Every comment is right
As the chapter is of light
Light is bright
And sir is always right

[raojati]

tommorrow is my exam. i am serious but after watching sir vedio all thing is clear...

[sagaming]

56:17 it is the process of covering a layer of zinc on iron

[bhat__shedhu]

Who is watching this for the preparation of term 2nd...😏🔪👤

[ran_dom]

32:05 mujhe lga sir ko current lg gya 🤣

[MrIndian.Gyani]

Really osm teaching sir ....love u sir u teaching is so good 🤗🤗🤗☺☺😚

[Jivanshaw]

56:24 galvanization is the process of coating of zinc on the iron to protect it by rusting or we can also use paint to protect the iron

[Sameert]

Galvanization is the process of coating of zinc metal on an iron object.This process is called galvanization.







Link 👍👍👍👍👍👍👍👍👍

[synavodayan]

Thank you sir . your teaching style is unique ❤

[cheerychinku]

The process of coating of zinc to protect it from iron is called galvanization
Thank you sir 🙏for your lecture. It was very helpful 👍

[naveedussaherabdulquadeer]

24:13 because insulater don't have free electrons & charged carriers that's why they can't conduct electricity 😊

[airpoonch]

still i am in 10th class i revised it to clear my basics❤