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

@jadedownes504

2 жыл бұрын

This org is a big help for chem and bio thank you so much I understand my work better now

@Jacobinks

Жыл бұрын

Cumulative frequency = cum freq..:;:;

@antoinedecarmoy7554

Жыл бұрын

Yes

@preethamsmrc

7 ай бұрын

Great explanation

I appreciate the small pauses, so one can really soak in the information. Nice video.

@danielchard3926

2 жыл бұрын

2x speed lol

@sanjeev6763

Жыл бұрын

@@danielchard3926 my guy

@Chiagoziebelolise

9 ай бұрын

@@danielchard3926 real

@siyasingh7597

4 ай бұрын

soak like the chromatogram, you mean.

@pyroria

4 ай бұрын

@@danielchard3926me rn 💀

"A person can make you feel something in 2 months which someone else can't in 2 years" Cognito teaches some of the toughest concepts , which students like me can't understand, in 2 mins Meanwhile our teachers can't do it in 2 months Time doesn't matter, character does.

@klsit3528

Жыл бұрын

this lmao can’t even call it revision if my teachers barely taught. Atp I’m just vising 💀💀 and I understand more now too.

@galefray

Жыл бұрын

@@klsit3528 Lmao, I don't think "revise" is based off the term "vise" 😂😂😂😂😂😂

@klsit3528

Жыл бұрын

@@galefray I know, it was satirical

@K00LZWasntHere

7 ай бұрын

-vibes.5470, wise words

@K00LZWasntHere

7 ай бұрын

2 years ago, vibes.5470 said words that all philosophers for the entire world would dream of saying such wise words -me

REMEMBER, the pencil line is drawn to prevent the ink from rising which would hide the correct results of the experiment. The solvent is below the baseline to avoid the spots from being removed off the baseline

@Sooaunii

7 ай бұрын

tysm

Legends watching the last night before paper 😎😎

@editz51214

10 күн бұрын

*backbenchers (including me)

Everybody gangsta till you realise this is just dissecting ink for no reason

@liltammy

3 жыл бұрын

That's not true. Chromatography is important to determine the purity, toxicity and other important factors of substances irl. schools only teach us with inks to give us a preview and it is also harmless

@shamsta21

3 жыл бұрын

@@liltammy you must be fun at parties.....

@alialshehri6977

3 жыл бұрын

@@shamsta21 lol clever but she’s actually trying to make a point .. and by the way I’m a medical student and we are actually learning chromatography as well this shows you how important it is

@sapphire7800

3 жыл бұрын

@@alialshehri6977 cool !

@shamsta21

3 жыл бұрын

@@alialshehri6977 WOWOWOWOW UR A MEDICAL STUDEENTTTT

Very informative! I love how you talk slowly so we can digest the information and understand it even more.

@Cognitoedu

2 жыл бұрын

Glad it was helpful Marriane! 😊

My teacher: spent 6hours and 32mins to explain this to us and we still dk wt is happening Cognito: use 6 mins and 32sec to help me get an A in my exam

@theresaeid5101

3 жыл бұрын

fr. teachers like to take up so much time to explain. they waste our lives when we can just learn what they teach in an hour, in just a few minutes

@helen-fk4bf

3 жыл бұрын

Istg teachers explain way too complicated , using technical terms and shit and expecting us to understand it. Like mate, I ain’t sheakspeare 🙄

@mantosh56

2 жыл бұрын

@@helen-fk4bf fr bro!!!

@xfreja

2 жыл бұрын

@@theresaeid5101 frrr

Got an exam tmrw and was rly stressed out but I’ve been watching ur videos for the past 30ish mins and I am feeling soooo much better about the exam! Thank u sm:))

Been doing chromatography since year 7 and I have come to a conclusion- It is IMPOSSIBLE to make it sound interesting (you got pretty close though so thank youuu)

@arnabtiwari605

4 жыл бұрын

bhai tu jaldi bada ho gaya tha ya tu einstien ki aulad hai

@lakshitasharma2933

4 жыл бұрын

@@arnabtiwari605 🤣🤣😂

Awesome video man!!

@Cognitoedu

5 жыл бұрын

Thank you! (And a big thanks for taking the time to leave us a comment, it really helps the videos get seen!)

I did not at all understand chromatography but thanks to your video, I have full understood the concept. Even though I am not in GCSE grades like 10,11,12, I found this video easy to understand. Thank you 😀😀

This is actually the info I was looking for, thank you very much

Legends are watching this before the exam

@titanianinavvvv2861

8 ай бұрын

3 days

@user-km2rz2nm7e

8 ай бұрын

How did you know tha'...

@titanianinavvvv2861

8 ай бұрын

@@user-km2rz2nm7e cuz I wrote the same dayyyy🥲

@_s0m3_0n3

Ай бұрын

4 hours😂

@BismaMohsin-mu5nd

29 күн бұрын

I needed notes so I came here!

I was so confused by the phases but now I really understand them - thank you! :)

@t4aha.s

2 жыл бұрын

:(

I haven't understood this topic since I first learnt it in in year 9, 2 years ago - until today. Thank you so much!

literally didn’t understand this all these years and ur video saved me thanks

Thank you for thoroughly explaining everything and going slow. It makes everything so understandable!

Anyone get sent here from their science teacher for quarantine?

@matilda3312

4 жыл бұрын

meh

@yousha6829

4 жыл бұрын

Meeee

@leahblehbleh2900

4 жыл бұрын

yeppp

@sweetboba3883

4 жыл бұрын

Me 😂

@annabellivingstone6623

4 жыл бұрын

yep me

Thank you so much ! This video is very helpful. I couldn't understand the concept when my teacher taught me. The explanation in this video is very clear and easy to be understood !

@Cognitoedu

4 жыл бұрын

You’re very welcome! Really happy it made sense to you this time round :))

I needed to learn this for my upcoming science exam, the video is very well explained and understandable. Thanks for making it👍

I really like the videos so much. They are helping me in both my Chemistry and Biology classes with what I do not understand from the teachers.

One of THE BEST videos! Makes it so much easier to understand this technique.

My teacher is using these videos and putting the links on our homework website for us to watch. I like stuff with chemistry and chemistry explanations.

Thank you so much for this amazing explanation! I have a chemistry exam in 2 days! The pages of one chapter are really long so at times it confuses me. But you have explained really well in these videos and is really clearing all my doubts and confusion! Thank you so much!

The best explanation of chromatography, hats off my guy

I have a few questions 1. Does temperature affect the Rf value? Given the stationary phase, solvent, and solutes stay the same. 2. Does the Rf value stay constant with the same conditions but different baselines? 3. Why are there usually some of the solute as a trail when paper chromatography is performed 4. Does the solute eventually just stop? Or can it keep going if you leave it. If it can keep going, can the solvent front change too? Or is it always constant with the same stationary phase and solvent?

Thank You soo much, I tried reading from the textbook but it didn't really make sense without a proper demonstrations or pictures but here you can understand the whole concept just by watching a video.

@Cognitoedu

2 жыл бұрын

You're very welcome Mazia! glad it helped!

Cognito, only after seeing this video did I become confident that I will get a full 100 marks in my Chemistry exam. Thank You!

@thebog4585

Жыл бұрын

did u?

@godfather9443

8 ай бұрын

​@@thebog4585long story short, he dropped out.

I really appreciate channels like yours. Thank you so much!

@Cognitoedu

2 жыл бұрын

Our please, glad you like it!

Thank you so much for this video, makes me understand more than my teacher, keep up the good work!!!

you actually made me want to try it out myself none of my teachers have achieved that so far

This video was so helpful thank you so much 😁❤ I couldn't understand anything from my teacher but you did make me understand it I have watched maybe 10 vids from ur channell and they all were so help full THANK YOU AGAIN SO MUCH ❤❤❤

Thank you so much for this video You are the best Channel for science !

The way of explaning the things is really is really goooooooooooood

Thank you Sm for this video I have a chemistry test tomorrow and this has really helped

Amazing, will be using for our laboratory curriculum!

That was awesome and more better than reading books with long notes but not understanding. I will be making my notes now but from ur video.

i really appreciate the way you explain topics , i've been watching ur channel ever since i started the GCSE syllabus and its helped more than alot (:

@Sooaunii

7 ай бұрын

samee

this was one if the only things i didnt understand from the cgp guide so thank youuu

@Cognitoedu

3 жыл бұрын

Glad we could clear things up Eloise! 👍

man tysm u dont know how much this helped

His explanation is the best. Thank you so much!!

Thank you so much! Really helped me understand the mobile & stationary phase :)

seriously love this guy

watched this before the day of my exam and it saved me 20marks💀

Thank you so much it has helped me alot!!!👏👏

I have really learnt from it, it made my presentation easy👏

This video is so helpful and easy to understand. You're amazing thanks so much!

@Cognitoedu

2 жыл бұрын

You're so welcome! Glad you liked it 😊

amazinggg!!! AWESOME VIDEO helped a lot THANK YOUUU

This video explains it all....the best video on this topic in entire KZread...u explained everything, literally everything in just 6 min...hats off man...this video definitely deserves 1M likes and way more views...keep it up ❤️❤️❤️

@Cognitoedu

3 жыл бұрын

Aah thankyou so much Shubham for all your kind words 🤩

This helped me a lot!

Omfg thank you so much. Taking a test from this in a few minutes and it helped us realise everything. Thank you so much bro 🙌💪

@Cognitoedu

3 жыл бұрын

Thanks Lukáš, hope your test went well 👍

@iii1640

3 жыл бұрын

@@Cognitoedu i love how u look at peoples comments, u a real one

@fawadabbasi426

2 жыл бұрын

@@Cognitoedu Thanks for helping me!!!

Such a fabulous and fantastic video ❤️🤩

these vids are really helpful thank you very much

Thank you sir , you're an amazing teacher , I feel you need to stop leaving certain things out though , but thank you ,help me get out of high school

This video was so helpful and I understood chromatography easily thank you

Really helpful and well explained

Thank you so much this helped me out a lot.

Sir Alex sent me here 💀💀💀💀💀

This is very helpful .I'm cramming for paper 6 IGCSE exams(ive never done it before) wish me luck!

Bilkul mere viva ke question ka answer is mein hai 😲.👌🏻very informative video

this man taught me the thing in 6 minutes which my teacher cant in 2 years

ty so clearly put!

Great explanation. Thank u so much:)

Using this to show my students our experiment today. Thank you. (they are 5-7 years old, and can already mix chemicals safely.)

Thanks! This really helped!

Thanks a lot for the video It helps a lot in chemistry 🧪🙏🙏🏻

👏👏amazing explanation!

@Cognito Can you make a video on Gas Chromatography please? It's really needed for us. Thanks.

Thanks for the video, Aduke, my student enjoyed the video

3rd lockdown, here because we can't hear the video from our teacher

@nou5372

3 жыл бұрын

lmao yes

Timileyin my student likes the video, thanks for the upload, he even said it's interesting

nice , best video on this topic

Thank you so much this helped me so much!!

think you sir and you are my best teacher in the world and you are very useful teacher and thinks

thank you so much ur a life saver!

Perfect explanation 👍🏻

my mock exam is near so I come to youtube hope to find some thing can help my for review and thank for god I found your's video and I'm confident for my exam now, thank you Mr.Cognito

@Cognitoedu

2 жыл бұрын

Glad you found us Cido, best of luck 🤞

Wow ! Well explained

You really help ms out for exams

wooooaaaaaaaaaaa, i love this video... very good when i need to remmember what i read before, thank you Cognito

@Cognitoedu

2 жыл бұрын

Glad we could help 😊

You are the BEST, not exaggerating.

yoo thank youu soo much i understood this topic in 6 mins, whereas my teacher took nearly an hour explaining this.

This was actually useful thanks

love ur vids so much

Reallyyyyy good one 🎉❤

Great explanation

This video was so well made, with all the information told in such a simple way :) Thank you!

@Cognitoedu

3 жыл бұрын

Thanks Sneha, really glad you enjoyed it!

This is better than my science teacher thank you

Love it!

yeah there's no way i can thank you enough for this

great explanation, up to now having a great confusion on this topic, your video makes me clear all things to right. Thank you for your explanation.........

This is a really good lesson, thanks!

Thank you so much!

Made it so easy ❤

Good explanation...thanks.

I swear ur a W bro

This video is very excellent

This is a very very goood video:)

this was so helpful.