Kisline in baze so snovi, ki jih srečaš vsak dan... Show more
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Updated May 13, 2026
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Razumevanje Kislinskih in Bazičnih Snovi: Osnove
1 / 5
Kaj so kisline in baze?
Kisline so snovi s kislim okusom, kot je limona ali jogurt. Močne kisline so jedke - to pomeni, da lahko poškodujejo kovine ali tvojo kožo, zato nikoli ne smeš poskušati neznanih snovi!
Baze (ali lugi) so na otip spolzke in milnate, kot milo. Imajo grenak okus in so prav tako lahko jedke kot kisline. Soda bikarbona je primer šibkejše baze, ki jo uporabljamo za peko.
Indikatorji so posebne snovi, ki nam s spremembo barve povedo, ali je neka raztopina kisla ali bazična. Delujejo kot detektivi za kemikalije - najbolj znan je lakmusov papir.
💡 Pomni si: V Kislinah je lakmus Rdeč, v Bazah je lakmus Moder!
pH lestvica - naš kemijski kompas
pH lestvica gre od 0 do 14 in nam pokaže, kako močno kisla ali bazična je neka snov. Je kot termometer za kisline in baze!
Kislo območje : Nižja številka pomeni močnejšo kislino. Želodčna kislina ima pH okoli 2, limonin sok pa pH 2.
Nevtralno območje (pH 7): Čista voda je popolnoma nevtralna - ni niti kisla niti bazična. To je kot srednja točka naše lestvice.
Bazično območje : Višja številka pomeni močnejšo bazo. Milo ima pH 10, čistila za pečice pa lahko pH 13.
💡 Hitro preverjanje: Če hočeš preveriti, ali je Fanta kisla, pomočiš modri lakmusov papir vanjo - če se obarva rdeče, je kisla!
Primeri iz vsakdanjega življenja
Kisline najdeš povsod: limonin sok (pH 2), kis za solate (pH 2,5) in celo mleko je rahlo kislo (pH 6,5). Tvoja želodčna kislina ima pH med 1,5 in 3,5 - to pomaga pri prebavi hrane.
Med bazami je soda bikarbona (pH 9) odlična za peko in čiščenje. Milo (pH 10) uporabljamo za umivanje, močna čistila za pečice pa imajo pH 13.
Nevtralizacija je kot kemijsko borenje - kislina in baza se "bojujeta" in nastaneta sol ter voda. Formula je preprosta: Kislina + Baza = Sol + Voda.
💡 V praksi: Če te pika čebela (kisel strup), uporabi sodo bikarbone. Če te pika osa (bazičen strup), uporabi kis ali limono!
Varnost in praktični nasveti
Nikoli ne poskušaj, vonjaj ali se dotikaj neznanih kemikalij! Vedno uporabljaj zaščitno opremo, če ti tako naroči učitelj. Močne kisline in baze so lahko zelo nevarne.
Nevtralizacija v vsakdanjem življenju je super uporabna. Ko imaš zgago, vzameš zdravilo (antacid), ki je bazično in nevtralizira odvečno želodčno kislino.
Indikatorji iz narave so tudi zanimivi - iz rdečega zelja lahko narediš svoj indikator! V kislinah se obarva rdeče ali roza, v bazah pa modro ali zeleno.
Za teste si zapomni: kisline imajo pH manjši od 7, baze večji od 7, nevtralne snovi pa točno 7. Lakmusov papir je tvoj najboljši prijatelj za prepoznavanje!
💡 Domače eksperimentiranje: Z rdečim zeljem in različnimi gospodinjskimi snovmi lahko narediš svoj kemijski laboratorij - seveda varno!
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Our AI Companion is a student-focused AI tool that offers more than just answers. Built on millions of Knowunity resources, it provides relevant information, personalised study plans, quizzes, and content directly in the chat, adapting to your individual learning journey.
Where can I download the Knowunity app?
You can download the app from Google Play Store and 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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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
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
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
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
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 apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
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
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
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
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
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 apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user
Razumevanje Kislinskih in Bazičnih Snovi: Osnove
Kisline in baze so snovi, ki jih srečaš vsak dan - od limonade do mila in čistil. Razumevanje njihovih lastnosti in kako jih prepoznati ni samo zanimivo, ampak tudi pomembno za tvojo varnost.
Kaj so kisline in baze?
Kisline so snovi s kislim okusom, kot je limona ali jogurt. Močne kisline so jedke - to pomeni, da lahko poškodujejo kovine ali tvojo kožo, zato nikoli ne smeš poskušati neznanih snovi!
Baze (ali lugi) so na otip spolzke in milnate, kot milo. Imajo grenak okus in so prav tako lahko jedke kot kisline. Soda bikarbona je primer šibkejše baze, ki jo uporabljamo za peko.
Indikatorji so posebne snovi, ki nam s spremembo barve povedo, ali je neka raztopina kisla ali bazična. Delujejo kot detektivi za kemikalije - najbolj znan je lakmusov papir.
💡 Pomni si: V Kislinah je lakmus Rdeč, v Bazah je lakmus Moder!
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
pH lestvica - naš kemijski kompas
pH lestvica gre od 0 do 14 in nam pokaže, kako močno kisla ali bazična je neka snov. Je kot termometer za kisline in baze!
Kislo območje : Nižja številka pomeni močnejšo kislino. Želodčna kislina ima pH okoli 2, limonin sok pa pH 2.
Nevtralno območje (pH 7): Čista voda je popolnoma nevtralna - ni niti kisla niti bazična. To je kot srednja točka naše lestvice.
Bazično območje : Višja številka pomeni močnejšo bazo. Milo ima pH 10, čistila za pečice pa lahko pH 13.
💡 Hitro preverjanje: Če hočeš preveriti, ali je Fanta kisla, pomočiš modri lakmusov papir vanjo - če se obarva rdeče, je kisla!
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
Primeri iz vsakdanjega življenja
Kisline najdeš povsod: limonin sok (pH 2), kis za solate (pH 2,5) in celo mleko je rahlo kislo (pH 6,5). Tvoja želodčna kislina ima pH med 1,5 in 3,5 - to pomaga pri prebavi hrane.
Med bazami je soda bikarbona (pH 9) odlična za peko in čiščenje. Milo (pH 10) uporabljamo za umivanje, močna čistila za pečice pa imajo pH 13.
Nevtralizacija je kot kemijsko borenje - kislina in baza se "bojujeta" in nastaneta sol ter voda. Formula je preprosta: Kislina + Baza = Sol + Voda.
💡 V praksi: Če te pika čebela (kisel strup), uporabi sodo bikarbone. Če te pika osa (bazičen strup), uporabi kis ali limono!
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
Varnost in praktični nasveti
Nikoli ne poskušaj, vonjaj ali se dotikaj neznanih kemikalij! Vedno uporabljaj zaščitno opremo, če ti tako naroči učitelj. Močne kisline in baze so lahko zelo nevarne.
Nevtralizacija v vsakdanjem življenju je super uporabna. Ko imaš zgago, vzameš zdravilo (antacid), ki je bazično in nevtralizira odvečno želodčno kislino.
Indikatorji iz narave so tudi zanimivi - iz rdečega zelja lahko narediš svoj indikator! V kislinah se obarva rdeče ali roza, v bazah pa modro ali zeleno.
Za teste si zapomni: kisline imajo pH manjši od 7, baze večji od 7, nevtralne snovi pa točno 7. Lakmusov papir je tvoj najboljši prijatelj za prepoznavanje!
💡 Domače eksperimentiranje: Z rdečim zeljem in različnimi gospodinjskimi snovmi lahko narediš svoj kemijski laboratorij - seveda varno!
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 a student-focused AI tool that offers more than just answers. Built on millions of Knowunity resources, it provides relevant information, personalised study plans, quizzes, and content directly in the chat, adapting to your individual learning journey.
Where can I download the Knowunity app?
You can download the app from Google Play Store and 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
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
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
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
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 apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
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
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
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
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
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 apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user