Vodík a kyslík sú dva z najdôležitejších prvkov na celom... Show more
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Vodík a kyslík: Kľúčové prvky pre život
1 / 9
Vodík - najľahší prvek vo vesmíre
Predstav si najjednoduchší atóm, aký existuje - to je vodík. Má len jeden protón a jeden elektrón, preto je taký ľahký, že balóny s ním lietajú hore ako rakety.
Vodík je bezfarebný plyn bez zápachu, ale pozor - je mierne zákerný. Keď sa zmiešia s kyslíkom, vznikne traskavý plyn, ktorý môže explodovať len od malej iskry. Preto s ním chemici pracujú extra opatrne.
Vo vesmíre je vodík všade - tvorí až 75% hmotnosti vesmíru a je hlavnou zložkou hviezd ako naše Slnko. Na Zemi ho ale nenájdeš len tak voľne poletovať. Vodík sa skrýva v vode (H₂O) a vo všetkých živých organizmoch.
Tip na test: Zapamätaj si, že vodík má tri izotopy - prócium (najčastejšie), deutérium (v ťažkej vode) a rádioaktívne trícium.
Výroba a využitie vodíka
V škole si vodík môžeš vyrobiť jednoducho - stačí hodiť kúsok zinku do kyseliny a sledovať, ako vznikajú bubliny plynného vodíka: Zn + 2HCl → ZnCl₂ + H₂.
V priemysle je to zložitejšie. Najčastejšie sa vodík vyrába zo zemného plynu alebo elektrolýzou vody - rozkladom vody elektrickým prúdom. Je to drahé, ale vodík je čistý ako slza.
Vodík je palivom budúcnosti. Už teraz poháňa rakety a experimentálne autá s palivovými článkami. V chemickom priemysle ho používajú na výrobu hnojív (amoniaku) a na hydrogenáciu - proces, ktorým sa tekuté oleje zmenia na tuhé margaríny.
Zaujímavosť: Vodík má silné redukčné vlastnosti, čo znamená, že dokáže "ukradnúť" kyslík z niektorých kovových oxidov a uvoľniť čistý kov.
Kyslík - podporuje život aj horenie
Kyslík je tvoj najlepší kamarát - bez neho by si sa dusil už za pár minút. Tvorí 21% vzduchu, ktorým dýchaš, a je súčasťou každej molekuly vody.
Kyslík je bezfarebný plyn bez zápachu, trochu ťažší ako vzduch. Je to chemický rebel - reaguje takmer so všetkými prvkami a tvorí oxidy. Sám nehorí, ale podporuje horenie ako nikto iný. Preto sa v nemocniciach s kyslíkovými fľašami nesmie fajčiť.
Zaujímavé je, že kyslík existuje aj ako ozón (O₃) - táto forma je toxická, ale v stratosfére nás chráni pred škodlivým UV žiarením. Kvapalný kyslík je svetlomodrej farby a je paramagnetický.
Dôležité: Kyslík je najrozšírenejší prvok v zemskej kôre (49% hmotnosti) - nachádza sa v mineráloch, horninách a samozrejme vo vode.
Výroba a použitie kyslíka
V laboratóriu si kyslík môžeš vyrobiť z peroxidu vodíka (H₂O₂) s pomocou katalyzátora: 2H₂O₂ → 2H₂O + O₂. Sleduj tie bubliny - to je čistý kyslík!
Priemyselne sa kyslík získava frakčnou destiláciou skvapalneného vzduchu. Vzduch sa ochladí na mínus 200°C, skvapalní sa a potom sa postupne zahrieva. Kyslík má iný bod varu ako dusík, takže sa dajú oddeliť.
Kyslík má široké využitie. V medicíne zachraňuje životy - pomáha pacientom dýchať a používa sa pri resuscitácii. Zvárači ho kombinujú s acetylénom na dosiahnutie extrémne vysokých teplôt. V oceliarnach odstraňuje nečistoty zo železa.
Praktické využitie: Potápači, horolezci a piloti používajú kyslíkové prístroje vo vysokých nadmorských výškach, kde je v atmosfére málo kyslíka.
Voda - dokonalá kombinácia vodíka a kyslíka
Voda (H₂O) je zázrak prírody - kombinuje dva atómy vodíka s jedným atómom kyslíka a vytvorí látku nevyhnutnú pre všetok život na Zemi.
Molekula vody je polárna, čo znamená, že má kladnú a zápornú stranu. Vďaka tomu je voda skvelým rozpúšťadlom - v tvojom tele transportuje živiny a odpady. Reguluje aj teplotu tela a tvorí prostredie pre všetky životne dôležité reakcie.
Kolobeh vody je neustály proces - voda sa vyparuje z oceánov, kondenzuje v oblakoch a vracia sa späť ako dážď alebo sneh. Bez tohto kolobehu by na Zemi nebol život.
Pre test: Pamätaj si, že horenie vodíka s kyslíkom produkuje vodu: 2H₂ + O₂ → 2H₂O. Táto reakcia je veľmi exotermická (uvoľňuje veľa energie).
Praktické príklady a bezpečnosť
Keď zinok reagujes s kyselinou sírovou, vznikne síran zinočnatý a vodík: Zn + H₂SO₄ → ZnSO₄ + H₂. Toto je typická reakcia kovu s kyselinou, kde sa uvoľňuje vodík.
Fotosyntéza je super dôležitá pre produkciu kyslíka. Rastliny berú CO₂ a vodu, a pomocou slnečného svetla produkujú glukózu a kyslík: 6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂. Vďaka tomuto procesu môžeš dýchať!
Bezpečnosť je kľúčová! Vodík je extrémne horľavý - nikdy ho nemix s ohňom alebo iskrami. Kyslík zase podporuje horenie, takže aj bežne nehorľavé materiály môžu v jeho prítomnosti začať horieť.
Bezpečnostné pravidlo: Vždy pracuj s týmito plynmi pod dohľadom učiteľa a dodržiavaj všetky bezpečnostné opatrenia v laboratóriu.
We thought you’d never ask...
What is the Knowunity AI companion?
Our AI companion is specifically built for the needs of students. Based on the millions of content pieces we have on the platform we can provide truly meaningful and relevant answers to students. But its not only about answers, the companion is even more about guiding students through their daily learning challenges, with personalised study plans, quizzes or content pieces in the chat and 100% personalisation based on the students skills and developments.
Where can I download the Knowunity app?
You can download the app in the Google Play Store and in the Apple App Store.
Is Knowunity really free of charge?
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
Most popular content in Chémia
Most popular content
Can't find what you're looking for? Explore other subjects.
Students love us — and so will you.
4.6/5
App Store
4.7/5
Google Play
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️
Thomas R
iOS user
Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades
Brad T
Android user
Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend
Aubrey
iOS user
Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀
Marco B
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!
Paul T
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️
Thomas R
iOS user
Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades
Brad T
Android user
Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend
Aubrey
iOS user
Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀
Marco B
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!
Paul T
iOS user
Vodík a kyslík: Kľúčové prvky pre život
Vodík a kyslík sú dva z najdôležitejších prvkov na celom svete - bez nich by sme jednoducho neexistovali. Vodík je najľahší prvok vo vesmíre a kyslík potrebuješ na každý nádych.
Vodík - najľahší prvek vo vesmíre
Predstav si najjednoduchší atóm, aký existuje - to je vodík. Má len jeden protón a jeden elektrón, preto je taký ľahký, že balóny s ním lietajú hore ako rakety.
Vodík je bezfarebný plyn bez zápachu, ale pozor - je mierne zákerný. Keď sa zmiešia s kyslíkom, vznikne traskavý plyn, ktorý môže explodovať len od malej iskry. Preto s ním chemici pracujú extra opatrne.
Vo vesmíre je vodík všade - tvorí až 75% hmotnosti vesmíru a je hlavnou zložkou hviezd ako naše Slnko. Na Zemi ho ale nenájdeš len tak voľne poletovať. Vodík sa skrýva v vode (H₂O) a vo všetkých živých organizmoch.
Tip na test: Zapamätaj si, že vodík má tri izotopy - prócium (najčastejšie), deutérium (v ťažkej vode) a rádioaktívne trícium.
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Výroba a využitie vodíka
V škole si vodík môžeš vyrobiť jednoducho - stačí hodiť kúsok zinku do kyseliny a sledovať, ako vznikajú bubliny plynného vodíka: Zn + 2HCl → ZnCl₂ + H₂.
V priemysle je to zložitejšie. Najčastejšie sa vodík vyrába zo zemného plynu alebo elektrolýzou vody - rozkladom vody elektrickým prúdom. Je to drahé, ale vodík je čistý ako slza.
Vodík je palivom budúcnosti. Už teraz poháňa rakety a experimentálne autá s palivovými článkami. V chemickom priemysle ho používajú na výrobu hnojív (amoniaku) a na hydrogenáciu - proces, ktorým sa tekuté oleje zmenia na tuhé margaríny.
Zaujímavosť: Vodík má silné redukčné vlastnosti, čo znamená, že dokáže "ukradnúť" kyslík z niektorých kovových oxidov a uvoľniť čistý kov.
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Kyslík - podporuje život aj horenie
Kyslík je tvoj najlepší kamarát - bez neho by si sa dusil už za pár minút. Tvorí 21% vzduchu, ktorým dýchaš, a je súčasťou každej molekuly vody.
Kyslík je bezfarebný plyn bez zápachu, trochu ťažší ako vzduch. Je to chemický rebel - reaguje takmer so všetkými prvkami a tvorí oxidy. Sám nehorí, ale podporuje horenie ako nikto iný. Preto sa v nemocniciach s kyslíkovými fľašami nesmie fajčiť.
Zaujímavé je, že kyslík existuje aj ako ozón (O₃) - táto forma je toxická, ale v stratosfére nás chráni pred škodlivým UV žiarením. Kvapalný kyslík je svetlomodrej farby a je paramagnetický.
Dôležité: Kyslík je najrozšírenejší prvok v zemskej kôre (49% hmotnosti) - nachádza sa v mineráloch, horninách a samozrejme vo vode.
Sign up to see the contentIt's free!
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Výroba a použitie kyslíka
V laboratóriu si kyslík môžeš vyrobiť z peroxidu vodíka (H₂O₂) s pomocou katalyzátora: 2H₂O₂ → 2H₂O + O₂. Sleduj tie bubliny - to je čistý kyslík!
Priemyselne sa kyslík získava frakčnou destiláciou skvapalneného vzduchu. Vzduch sa ochladí na mínus 200°C, skvapalní sa a potom sa postupne zahrieva. Kyslík má iný bod varu ako dusík, takže sa dajú oddeliť.
Kyslík má široké využitie. V medicíne zachraňuje životy - pomáha pacientom dýchať a používa sa pri resuscitácii. Zvárači ho kombinujú s acetylénom na dosiahnutie extrémne vysokých teplôt. V oceliarnach odstraňuje nečistoty zo železa.
Praktické využitie: Potápači, horolezci a piloti používajú kyslíkové prístroje vo vysokých nadmorských výškach, kde je v atmosfére málo kyslíka.
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Voda - dokonalá kombinácia vodíka a kyslíka
Voda (H₂O) je zázrak prírody - kombinuje dva atómy vodíka s jedným atómom kyslíka a vytvorí látku nevyhnutnú pre všetok život na Zemi.
Molekula vody je polárna, čo znamená, že má kladnú a zápornú stranu. Vďaka tomu je voda skvelým rozpúšťadlom - v tvojom tele transportuje živiny a odpady. Reguluje aj teplotu tela a tvorí prostredie pre všetky životne dôležité reakcie.
Kolobeh vody je neustály proces - voda sa vyparuje z oceánov, kondenzuje v oblakoch a vracia sa späť ako dážď alebo sneh. Bez tohto kolobehu by na Zemi nebol život.
Pre test: Pamätaj si, že horenie vodíka s kyslíkom produkuje vodu: 2H₂ + O₂ → 2H₂O. Táto reakcia je veľmi exotermická (uvoľňuje veľa energie).
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Praktické príklady a bezpečnosť
Keď zinok reagujes s kyselinou sírovou, vznikne síran zinočnatý a vodík: Zn + H₂SO₄ → ZnSO₄ + H₂. Toto je typická reakcia kovu s kyselinou, kde sa uvoľňuje vodík.
Fotosyntéza je super dôležitá pre produkciu kyslíka. Rastliny berú CO₂ a vodu, a pomocou slnečného svetla produkujú glukózu a kyslík: 6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂. Vďaka tomuto procesu môžeš dýchať!
Bezpečnosť je kľúčová! Vodík je extrémne horľavý - nikdy ho nemix s ohňom alebo iskrami. Kyslík zase podporuje horenie, takže aj bežne nehorľavé materiály môžu v jeho prítomnosti začať horieť.
Bezpečnostné pravidlo: Vždy pracuj s týmito plynmi pod dohľadom učiteľa a dodržiavaj všetky bezpečnostné opatrenia v laboratóriu.
Sign up to see the contentIt's free!
Access to all documents
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Join milions of students
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
We thought you’d never ask...
What is the Knowunity AI companion?
Our AI companion is specifically built for the needs of students. Based on the millions of content pieces we have on the platform we can provide truly meaningful and relevant answers to students. But its not only about answers, the companion is even more about guiding students through their daily learning challenges, with personalised study plans, quizzes or content pieces in the chat and 100% personalisation based on the students skills and developments.
Where can I download the Knowunity app?
You can download the app in the Google Play Store and in the Apple App Store.
Is Knowunity really free of charge?
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
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Students love us — and so will you.
4.6/5
App Store
4.7/5
Google Play
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️
Thomas R
iOS user
Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades
Brad T
Android user
Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend
Aubrey
iOS user
Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀
Marco B
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!
Paul T
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️
Thomas R
iOS user
Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades
Brad T
Android user
Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend
Aubrey
iOS user
Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀
Marco B
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!
Paul T
iOS user