If you’d like to practise the material covered in this video, check out our platform at www.cognitoedu.org - it's totally free, and has been built to make learning and revision as easy as possible. The main features are: - Lessons organised by topic, only the lessons relevant to your specific exam board and tier are shown. - Automatic progress tracking. Progress bars tell you what you’re doing well at, and what you need to spend some time on. - Practise quizzes so you can test your knowledge. You can quiz yourself on any combination of topics you like. - A huge number of fully-hinted questions that take you step-by-step through some of the trickiest calculations & concepts. - A comprehensive bank of past exam papers, organised both by year, and also by topic. Amadeus & Tom

@preciousolamide9553

2 жыл бұрын

Thanks so much

@channelgertgert

2 жыл бұрын

how do we find this specific topic?

@shinystar4357

2 жыл бұрын

Thankyou! Appreciate all ur hard work!

in 4 minutes this man explains everything that a teacher would explain in a week

@janashehab8029

2 жыл бұрын

AND I UNDERSTAND MORE FROM HIM!!

@cjbanda5477

Жыл бұрын

A month 😭

@MohammedHassan-xo8il

Жыл бұрын

That's why I love COGNITO

@abdelrahman9833

Жыл бұрын

Exactly

@hibaamir5654

Жыл бұрын

Me too it helps alot i really love his way of teaching hes amazing

I swear this channel is the only thing keeping me from failing rn, thank you so much i wish you the greatest luck to ur channel

@Cognitoedu

3 жыл бұрын

Thanks Ozair, we're glad you're finding them useful 🤩

@amnarao8809

2 жыл бұрын

so true bestie

@OMAR_Winnn

2 жыл бұрын

Same bro

@shuncho7844

Жыл бұрын

@@amnarao8809 sus🤔

@Theredcross007

Жыл бұрын

@@shuncho7844 omg so fucking funny.

THIS IS ABSOLUTLEY BRILLIANT! YOU EXPLAINED THIS TO ME IN LESS THAN 5 MINUTES....AND MY TEACHER COULDNT GET AROUND IT FOR 3 WHOLE WEEKS!..THIS IS AMAZING

Love these lessons specially coloured representation....and pure explanation😍 my covid19 🏫school

@starbuckslover5045

Жыл бұрын

100% Agree! Since I came to high school, its been AGES since I saw COLOURSSS!! I was FREAKING OUT about it the other day and my sister was so confused lol

@hibaamir5654

Жыл бұрын

@@starbuckslover5045 😅

At the end of the day its just you and cognito

@AllTheFinngredients

29 күн бұрын

My days usually end with incognito but Alr

as a student who did not have chemistry in secondary school these videos are saving my life - thank you!!

I love the way he explains, he always makes sure to make it simple and straight forward

from all the other channels, you sir have broken the topic down into some clear and simple stuff. many thanks dear human. many thanks.

@Cognitoedu

5 жыл бұрын

You're very welcome! Glad they're coming in useful :)

@hamimahmed5866

3 жыл бұрын

9

I had faced lots of confusion on this topic but your explanation made it very clear for me . Special thanks

one of the best, sorry - THE best educational video i have ever seen and with the most calming voice ever :) thank you to the person who did this !

Thank you so much! This helped a lot! This video literally explained the entire chapter of 32 pages on redox reaction within 5 minutes! And I just learnt that it's nothing complicated. Thanks a lot again.

Thankyou so much guys, I didn't get this at school today and then I watched this video and it really helped! Understand it now! Appreciate all ur hard work!

That was very helpful..Thank you very much...WELL EXPLAINED.....good job!..

In class, my science teacher had put on a cognito video and i got so interested and wrote the name down in class, after that, these videos have rlly been helping me understand science more and more and I've been getting perfect marks in science quizzes, so i rlly thank u a lot and i hope that ur channel gets up to 1M subscribers thanks to how helpful u r

These videos are pure quality, keep it up!

Thank so much, i now understand how to write out half equations and ionic equations

liked and subbed becuase this was amazing:)

clean! exactly what i was looking for, thanks!

Thank you so much, i would've been a goner without your videos!

THANK YOU SO MUCH I GENUINELY NEVER THOUGHT I WOULD UNDERSTAND THIS LESSON

Best explanation! Thank you!!!

If I pass IGCSE chemistry all credits goes to you ☺️

@Cognitoedu

3 жыл бұрын

thanks Saad, I'd wish you luck but hopefully with our videos you won't need them 😁

@peppermintbolu6173

3 жыл бұрын

Exactly

@peaceminus7363

3 жыл бұрын

@@Cognitoedu is that so, i hope

@darkmemes7531

2 жыл бұрын

how was it?

@celinemeh6948

2 жыл бұрын

did u pass? lmao

Wow, the teaching method of this channel is awesome...just superb👌👌

It is a good learning video which motivate some where he/she get more knowledge

in 38 seconds you could explain what I did not understand for a whole afternoon. Thanks.

All these people thanking him for a good video and Im still sitting here hella confused 😂

@ceinwennn

3 жыл бұрын

same it's nice to know i'm not the only one

@jcoomber8523

3 жыл бұрын

I want to scoop my brain out with a spoon - fml

@heluxbro1583

Жыл бұрын

Us

@MaryamBey-sv1br

2 ай бұрын

I thought my brain was faulty but apparently not.

Are you able to make videos for the required practicals. Thanks

U literally saved me from so much stress I appreciate u so much man

This was very clear and helpful. Many thanks!

This video I’m watching after 3 years and i understand more and more Alhamdulilah ❤❤❤❤

Easy and enjoyable to understand by the way u teach. Excellent

I swear I can understand better by watching this instead of my teacher explaining ❤❤ thanks so much this very good explanation ❤❤

Thank you so much for this video!!

it was very helpful. Thanks a lot man! Appreciate it!

@Cognitoedu

2 жыл бұрын

Glad it helped! 😊

Very good explanation. Thanks

going to face final tests in a week, this helped a lot in revising past chapters. thanks guy(s)

@Skyphide

Жыл бұрын

Practice igcse past papers there are books of that

Tq so much it helped me.Keep it up

For real, as a student who fails Chemistry, because I can't understand what on hell's name my teacher's explaining about, this saves my future.

Really useful, thanks for this.

This is an amazing video...tysm

great video and very easy to understand

thank you for this excellent educational video that you have provided!!

@Cognitoedu

3 жыл бұрын

Thanks Eaux, glad you enjoyed it!

Kkkkk I'm now 39 years old been in lov wth chemistry from school days your video has made e finally understand the reduction and oxidation thank you so very much now I want to understand carbon or organic chemistry

thanks a lot !!!! really helpful great explanation and animation

@Cognitoedu

2 жыл бұрын

Glad you enjoyed it! 😊

thanks a lot. my chemistry teacher cant even teach properly so im watching all you videos on c4 because i have a test tomorrow

If i pass A-levels all thanks to you and your videos Only regret why dint i find your videos at GCSE

Its a great tutorial video. Thanks to this. Can you also prepare a lecture that describes Direct Interspecies Electron Transfer (DIET).

Perfect, on my head!!!

This is awesome 💯😎

Your videos do really help me alot Thank u so much 😃

@Cognitoedu

Жыл бұрын

My pleasure 😊

Good Every thing understood

Amazing work

Very nice explaination thanks i always watch your vedios 😊❤❤ love from Pakistan

Thank you for creating these videos to help us. I'm really grateful.

@Cognitoedu

3 жыл бұрын

and we're really grateful for your support, thanks Telesteria 😊

@DoMoreNew

Жыл бұрын

wait so what's your name

yall are the best

fantastic video cheers bud

@Cognitoedu

5 жыл бұрын

Our pleasure! Really happy to hear it was helpful :)

Thanks a lot!!!!!

it really helped. Thanks

@Cognitoedu

5 жыл бұрын

You're really welcome mate - good luck with all your work!

Thanks so much this really helped ❤

@Cognitoedu

2 жыл бұрын

Glad it helped! 🙌

This channel deserves a few million subscribers- it has by far the best videos for any GCSE science and math topics :). A channel that talks about ant queen names and rhino beetles has more subscribers than this. I hereby announce that KZread is broken.

@Cognitoedu

3 жыл бұрын

Aw thanks Maple we really appreciate it 🤩

Bloody helpful mate

@Cognitoedu

5 жыл бұрын

Cheers KB - good to hear it :)

Isn't calcium sulphate going to form a precipitate? Does it make sense to split it into its ions if it's a solid? It isn't in aqueous state 🤔

All fun and games until... You have to finish equations yourself You have to consider pH Ions no longer make sense (like in CaOCl2) You start creating stuff from nowhere

@imtiazshaikh7626

2 ай бұрын

Frfr

thankyouu for saving my exams :))

Thank you sooo much

Very informative :)

@Cognitoedu

4 жыл бұрын

Hey thanks for the support! Really appreciate the comment and good luck for all your work 🥳

Thank you so much i mean this 4 min video is way more better than reading a chapter of 20 to 30 pgs Thank you so much Love from pakistan

@cja_7allan715

Жыл бұрын

You are my lifesaver

Helped me more than my teacher bro , I have a test tomorrow thanks

Very good explanation&thank you

@Cognitoedu

2 жыл бұрын

Glad you liked it! 👍

Nice, what software did you used to do this kind of video. I want to do for English Language student

me, in cbse. already in class 11 with my boards over like 2 months ago. Honestly the syllabus is kinda the same as our grade 10. anyways, good luck to all the igcse students i’m sure y’all will do great! :)

Thanks mate

Great explanation and Thank you

what do u use to make ur vids?

Thanks!

thank you!!

@Cognitoedu

5 жыл бұрын

You’re very welcome - good luck!

Great vid man

@Cognitoedu

5 жыл бұрын

Thanks Ben, glad to hear you think so! :D

Man's a legend

thx so much this video help me alot one think , please can u explain the indirect redox reaction ...

Do redox reaction only take place in ions? Not covalent bonds ?

I was struggling so much on this topic.....until I found this video

Last-minute revision before the unit test. Chemistry is not my strongest point always got 4's hopefully this time round will get 6 and above. Physics and Biology are very easy, mathematics is my strongest. Thanks to you again!

@Cognitoedu

3 жыл бұрын

Good luck Saad 🤞

I will pass thanks to this channel

thank you very much

Thank you

Super class buddy

@Cognitoedu

4 жыл бұрын

Thank you!! Really glad you liked it :))

at 0:33 can someone plz tell me where they got all those numbers from? like the 4 on the alminium

@elainakhan

Жыл бұрын

that’s for balancing the equation. 4 atoms of Al on the reactions and 4 on product side

Thankyou❤

So... when you write (fe + 2e-), do you have to include the negative sign on the (e) and if so, does the sign ever change to positive?

@ihi4278

Жыл бұрын

No bcz an electron it's always negatively charged

Thanks teacher

I love ur videos🎀💓💓💓🎀

THANK YOUUU

At 1:54, why does Magnesium lose those 2 electrons?

Very useful

One mistake is that the electrons in the half equations for oxidation and reduction should be swapped around. For oxidation the electrons should be on the right, vice versa. Great Video overall tho!

Perfection

Helpful

Can u do a video on precipitation pls?