Master Metals and Non-metals 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.

In this lecture of Umang batch, Sunil sir is going to teach you the chapter Metals and Non-Metals.

Topics covered in this lecture are-
•Properties of metals and non-metals
•Facts to remember about metals
•Uses of some metals and non-metals
•Reaction of metals with oxygen and water
•Activity series of metals
•Corrrosion
and some questions for practice.

There are many other important chapters that we are going to cover in upcoming videos for class 8. Stay tuned with PhysicsWallah Foundation.

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NOTE: This batch is completely FREE, you just have to click on the "BUY NOW" button for your enrolment.

🔴 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

[theMomentlite]

Hello juniors 🙂
Class 8 ko Acche se padhna best se kyu kii 50-75% Topic class 10 mai cover hoga
Specially :light chapters.... 🙂

NOTE: Maine toh Bhut mazje kiye the 8 mai 10 mai 2X mehnt krna per raha hai

[dheerajsharva]

Copper is the preferred wire for your home over aluminum because of its ease of use and ability to effectively conduct electricity. It is more stable, durable, and performs better than aluminum wires. Copper is known to have better Conductivity than Aluminium.

[nevshere]

after watching the entire video i just now realised that is it for 8th grade.. but I am in 10th grade 🤦🤦🤦🤦🤦

[nevensofpw]

I saw first time such a teacher who teach with questions 👍👍👍👍

[nikhildangi]

17:25 ANS silver is better conductor of electricity but being expensive, is not used in making cable

[lfuwsde]

Because aluminium is expensive than copper (7:35)

[Gamerplayzankit]

🔴Aluminum is cheaper than copper and also it is light weight so they can use in outdoor.
*We use copper in the house wiring because copper conduct electricity better than aluminium. Due to which power is saved so that money is also saved.*
*copper has less resistance than aluminium*

🔴 *Silver is too costly so it cannot be used as wire.*

[chitralekhasingh]

Sir u are the one of the best educator of PW

[vishwatsenareddyposham]

Sunil sir literally stood and thought us continuously for 1 hour and 24 minutes, respect to sir

[deeksha]

We don't use silver wires at home beacuse it is very expensive metal but a really good conductors and the second reason is due to its reactivity

[tsgojas]

Metals are generally good conductors of electricity. The conductivity of a metal is the ability to allow electricity to pass through it. Since aluminium is a metal with low resistance and good conductivity it is used in electrical wires.

[nishthachakrawarti]

I have one more trick of reactivity series
potassium - please
sodium - stop
calcium - calling
magnesium - me
aluminum - a
carbon - cute
zinc - zombie
iron - instead
tin - try
lead - learning
hydrogen - how
copper - copper
silver saves
gold - gold
platinum - platinum
helium - helium


like me if you are agreee
👇

[Myselfmei]

I am in class 10th and still watching Sunil Sir's Chemistry lectures because, literally i realised that there is no teacher like Sunil sir,
Sir If u would teach class 10th, students can learn chemistry like a magic .
BTW thank u so much Sunil sir.❤️❤️

[shivanshzalavadiaf]

heating effect of electric current is seen more in copper than aluminum so copper is used in case of low voltages also because it has low melting point.

[tanusreelayek]

You way of teaching is awesome.
Thank You Sunil Sir.

[dilipkumarrai]

Copper is a good conductor of heat but we use aluminium at transmission lines
The main reason is cost

[vmcsjlb]

Sir, aluminium has a significantly higher specific electrical resistivity than copper.This difference is highly relevant for power cables.Aluminium conductor requires 56% larger cross-sectional area than copper for same current carrying capability.

[Rexelite_YT]

That "Sundar Kanya" Example was sooo good sir pura samajh aagya 😂💗🙏

[sidhir_]

Very impressive lecture by sunil sir experiment and chemistry I am from neev 2.0 but study 8th class basic chapters

[risingplatinummc]

These classes are the secret of toppers ..., 😏