GCSE Chemistry - Paper Chromatography #63

[@Cognitoedu]

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

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Cumulative frequency = cum freq..:;:;

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Yes

[@preethamsmrc]

Great explanation

[@angelosterizakis7635]

A great big thank you. Your website is super organised and couldn't be more complete.

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

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soak like the chromatogram, you mean.

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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]

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[@klsit3528]

@@galefray I know, it was satirical

[@K00LZWasntHere]

-vibes.5470, wise words

[@K00LZWasntHere]

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

[@marrianecamilledeguzman1209]

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

[@Cognitoedu]

Glad it was helpful Marriane! 😊

[@littlenugget5346]

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:))

[@georgia979]

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

[@t4aha.s]

:(

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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]

did u?

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​@@thebog4585long story short, he dropped out.

[@burkle4508]

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

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Anyone get sent here from their science teacher for quarantine?

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[@wewe12533]

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 ❤❤❤

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Legends are watching this before the exam

[@titanianinavvvv2861]

3 days

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How did you know tha'...

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@@EbbsKuzatjike cuz I wrote the same dayyyy🥲

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4 hours😂

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I needed notes so I came here!

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

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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 (:

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samee

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the video was amazing. I am actually in 6th grade but i only covered the simple topics. the video was very helpful. i hope you keep posting videos like this and reach a million subscribers

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

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

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Sir Alex sent me here 💀💀💀💀💀

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

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

[@dipuimam9934]

I used this video for my chemistry test and got an A. Thank you so much

[@Cognitoedu]

Well done Dipu, that's awesome! 🥳

[@KitKat-yo3nn]

I don’t go to an English speaking school, but this still helped me understand chromatography!!

[@gnk8287]

Merica’ 🦅🇺🇸

[@UnknownUser-fj1cg]

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

[@Cognitoedu]

You're so welcome! Glad you liked it 😊

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seriously love this guy

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man tysm u dont know how much this helped

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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

[@snehadavid7533]

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

[@Cognitoedu]

Thanks Sneha, really glad you enjoyed it!

[@nisargakoti554]

Reallyyyyy good one 🎉❤

[@rogerspree]

Sir this is thin-layer chromatography. From what I know there is a difference between thin-layer chromatography and paper chromatography So, I suggest you change the topic from paper chromatography to thin layer chromatography.

[@harithmustafa7649]

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

[@preethamsmrc]

Great explanation

[@cupcake8688]

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

[@russB0B]

amazing video man, clearly understand the topic now, especially helped me understand the Rf value. Thanks alot!

[@kamifaidi-7832]

I swear ur a W bro

[@shmkrar1153]

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

[@TamaraTimi-Aboh]

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

[@budaraudamithi5097]

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

[@abhinavgupta3812]

Thanks a lot Cognito, my teacher has been teaching this topic for days but I didn't understand. This taught me in 6 mins

[@leexsa]

Thanks for this vid! I had no idea how to do this even though my teacher went through it

[@charlesc5595]

Thank you

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[@nosheenfahad2097]

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[@alison3695]

Wait so it can be black ink?

[@patty5807]

Great video!

[@Cognitoedu]

Cheers!

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Pic form is never forgotten

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Such a fabulous and fantastic video ❤️🤩

[@SYG451]

Very Good lecture Sir

[@rimjhimkhandaker9832]

This helped me a lot!

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Hatttsss off Bro for making this video epic

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Perfect explanation 👍🏻

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love ur vids so much

[@user-it3vk9wx7z]

good luck everyone with tomorrow

[@ahasniandra6673]

im confused why do you check it only till the pink line how do we know till which line we shud check weather its green line or pink one

[@b.jophiel]

The paper is not the stationary phase, it is just supporting

[@alyssafithian-franks8136]

much better than oak academy

[@mariamj7987]

👏👏amazing explanation!

[@LeemTron]

This video is very excellent

[@prodby_dark]

This was actually useful thanks

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Thank you 😊

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Wow mins bursting explanation

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[@WaytoHeaven897]

Good videos tomorrow my paper loce yr vids

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Thanksss bro 💯🔥💪👍🙌👏🏅🥇🏆🌟🙏👏💰💰💰😁🙏👏

[@alawanskitchen]

Thank you so much Sir

[@princebryan2162]

this was so helpful.

[@reemmasri9274]

thank you so MUCH

[@kiennguyenduc9570]

Nice video, it helped.

[@mathig7470]

Thank you! I couldn't understand it from my textbook, but I understood it here!

[@Cognitoedu]

Great!

[@orak6854]

The terms phases are confusing.

[@ledogs7418]

Love it!

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Tqsm🎉❤️

[@Shorts-sd8ik]

How to make this type of videos

[@arabian_yonisb2912]

How is the filtered paper standing up?? Someone help?

[@hamzie1010]

You use a pencil or glass rod that is stuck to the piece of paper at the top with some tape. It should then be balanced on top of the beaker so you don't need to hold it. And in the end, you should get a nice clear result when leaving it for a few minutes in the solvent. REMEMBER: Don't submerge your ink dots with the solvent right from the bat otherwise the dots will wash off!

[@arabian_yonisb2912]

Thanks for telling

[@darcysheppard3239]

hold it babe

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@@darcysheppard3239 lol

[@sugeevan9171]

I feel dumb and I’m in year 9

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just 195k subs more to go

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helpful

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Thanks!

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Got sent here by my science teacher

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from x1-a

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Periodt

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Just watching this in Year 7...

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THANK YOUUUUUUUU

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cool video

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Legends watching the last night before paper 😎😎

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*backbenchers (including me)

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Sooo true, ultra legends like me study 1hr before exam 💀

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No this is so legit bro bcs my test is tomorrow

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Thank you so much senor

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

[@liltammy]

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

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

[@alialshehri6977]

@@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

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@@alialshehri6977 cool !

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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

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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

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

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[@sanithwijetunga5761]

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

[@pochetteiu]

tysm

[@nellyluyandomuleya1441]

This was the answer to one of my tests... Thanks for the help

[@arkis764]

Awesome video man!!

[@Cognitoedu]

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

[@luissalvadorangulolira9759]

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

[@isobelwilliams8267]

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

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lmao yes

[@dreamy4148]

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]

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

[@verenmirpuri]

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 😀😀

[@lostie4998]

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)

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

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@@arnabtiwari605 🤣🤣😂

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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.

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Whos here cuz their teacher sent them

[@stevemed6791]

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

[@Shokuhin]

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?

[@maziashaharyar6119]

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]

You're very welcome Mazia! glad it helped!

[@fcknluke]

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]

Thanks Lukáš, hope your test went well 👍

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

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@@Cognitoedu Thanks for helping me!!!

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Thank you so much. I still hate this topic

[@zeinabahmed2958]

Same

[@beshbeshe]

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