GCSE Chemistry - Acids and Bases #34

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  • čas přidán 8. 03. 2019
  • This video is covers what acids and bases are, what the pH scale is, how we measure pH with indicators and probes, and what neutralisation reactions are.

Komentáře • 346

  • @Cognitoedu
    @Cognitoedu  Před 2 lety +59

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    @DinuthiWalgama Před 5 dny

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  • @bushrausman4395
    @bushrausman4395 Před 4 lety +51

    This is the best video about this topic i have seen yet. It briefly explains about acid bases and alkaline therefore helped me a lot revising for it! Keep making more videos like this.

    • @Cognitoedu
      @Cognitoedu  Před 4 lety +5

      Hey thank you for such a kind comment! Really happy to hear it and wishing you the best of luck for all your work 🙌

    • @mushtaqrasool9169
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    @aadivijayakumarnair5296 Před 2 lety +2

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      @Cognitoedu  Před 2 lety

      Ah good, glad you liked it Louise! 😊

    • @The_arab_cat
      @The_arab_cat Před rokem

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      @Cognitoedu  Před 3 lety

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    @matthewsmith-pc8pg Před rokem

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    @immentallyinsane3324 Před 13 dny

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    @whatcouldiputhere Před 3 lety +3

    thankyou this is so helpful to just check up on acids and bases. a lot of info. i got 1 page of notes in the first 2 mins so thanks

    • @Cognitoedu
      @Cognitoedu  Před 3 lety

      Thanks Theo, glad we could help 👍

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    • @Cognitoedu
      @Cognitoedu  Před 2 lety

      Awesome, glad we could help! 👍

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    @ahmedalali6185 Před 28 dny

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      @Cognitoedu  Před 2 lety

      Ah thank you, we really appreciate it 😊

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    @nhlakaniphomazibuko7334 Před 3 lety +3

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    @Kimbomb5 Před rokem

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    @exclusive_gamer2422 Před 9 měsíci

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    • @Cognitoedu
      @Cognitoedu  Před 4 lety +1

      Hey Lauren you’re very welcome! Thanks for taking the time to leave us a comment and let us know the videos are helping - we really appreciate it 🙌

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    @flamingoenglishlearning5594 Před 9 měsíci

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    @milliesmith8917 Před 4 lety +5

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    @gammex5918 Před 11 měsíci

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    @sehamomxr Před rokem

    Thank you so much !!!❤

  • @yonit
    @yonit Před 3 lety +2

    A practice paper question asked what the ph scale measures but I got it wrong, because the answer said "the concentration of H+ions

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    @moorifatima107 Před 3 lety +5

    It's great 😊

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  • @ggoliviawwo7163
    @ggoliviawwo7163 Před 3 lety +2

    IMPORTANT! The salt produced in the neutralization is CHEMICAL salt, NOT the salt you use for cooking

  • @hyper4rtificial830
    @hyper4rtificial830 Před 2 lety

    I watched this in class 10 minutes ago lol. Was bored as hell but then we got a video break 😂

  • @petergoh5628
    @petergoh5628 Před 2 lety +1

    Is the PH affected by the basicity of acids?

  • @OVOTROY
    @OVOTROY Před 2 lety

    Cheers to another great video

  • @lamfu4371
    @lamfu4371 Před rokem +1

    If I add a weak base to a strong acid will it still completely neutralise?

    • @ayaanmuther713
      @ayaanmuther713 Před 8 měsíci

      no. The pH will remain under 7 although now closer to 7.

  • @StrawberryS-vk5my
    @StrawberryS-vk5my Před 4 lety +4

    i have a question.IDo base only produce salt and water? If so how come calcium carbonate is a base as like calcium carbonate will produce carbondioxide as well right?

    • @omar1737
      @omar1737 Před 4 lety

      i dunno. maybe because nutrilzation could carbonate and carbonoxide by compounding and mixing salt. Your Welcome

    • @bluee128
      @bluee128 Před 4 lety +1

      Nope, not just salt and water. Gases are produced too, tho I cant say for all reactions

    • @jesswhitford2495
      @jesswhitford2495 Před 3 lety +1

      Hi, I've just had a question on this, in the video there is an example of an acid + base, I think that you mean acid + metal carbonate, which does equal salt+carbon dioxide+water

  • @_idk_1538
    @_idk_1538 Před rokem +1

    THANK YOU😭

  • @fifilola2495
    @fifilola2495 Před 3 lety +4

    If anyone from school sees this- um shrek's peng asf my guy

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    @gunakusal8321 Před 3 lety +2

    you are the best

  • @FAYZXR_
    @FAYZXR_ Před 2 měsíci

    isth better than my teacher in 1 month

  • @ruqiyafarooq7242
    @ruqiyafarooq7242 Před 4 lety +2

    Plz make a video about bases and alkalis just like u have of
    acid
    BTW nice video

  • @SumaiyahBintAbdur-Rahim
    @SumaiyahBintAbdur-Rahim Před 3 měsíci

    thank you so much. could you do videos for all subjects, it would be really helpful
    👍🏼

  • @tonyterlecki7915
    @tonyterlecki7915 Před 3 měsíci

    I do not understand the mention of Calcium Carbonate at the end of this video as a base in the context of the earlier definitions. Can someone explain as I always thought Calcium Carbonate was a salt?

    • @boat-guy3176
      @boat-guy3176 Před měsícem

      bro posted this video 5 years ago hes not gonna respond tony

    • @empiirean8563
      @empiirean8563 Před měsícem

      @@boat-guy3176 belive it or not he said someone !! as in not just the guy who made these videos ! 😨😨

  • @The_arab_cat
    @The_arab_cat Před rokem

    Thank you so much for this useful and free education, i understood this in 4 minutes while my teacher finished it in like a week.

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    @taliaarnold5400 Před 2 měsíci

    THIS REALLY HELPED OMDS THANKUUUU MY TEACHER MAKES IT SO COMPLICATED 😂

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    @nusratyaseen8401 Před rokem +1

    Brilliant

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    @ojriolo4990 Před 3 lety +1

    My saviour

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    @user-ih1ex3rr6m Před 2 lety

    thank you!

  • @rdffx-jw7kg
    @rdffx-jw7kg Před 7 měsíci

    Does anyone know this question it says the…from the acid combine with… from the alkali to give water

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    @eashafatima9776 Před rokem +2

    bro ur awesome

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    @lorrainesoares5026 Před 4 lety +4

    What font do you use for your powerpoints

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    @clarkkent4683 Před 2 lety

    Don’t suppose you do a-level too Amadeus?

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    @thebluemoose8190 Před 3 lety +1

    Revising literally ten minutes before my mocks 🥲

  • @MwelaSe_Style
    @MwelaSe_Style Před 28 dny

    Thank you so much but please may you make more videos

  • @nesreenaziz9157
    @nesreenaziz9157 Před 5 lety +6

    Thank you

    • @Cognitoedu
      @Cognitoedu  Před 5 lety +1

      KillerAhmed740 you’re very welcome!

  • @bassboosterz5523
    @bassboosterz5523 Před 2 lety

    Is the syllabus of chemistry same as GCE as im doing GCE

    • @maiseymiddleditch1576
      @maiseymiddleditch1576 Před 2 lety

      You can’t be, it was destroyed.
      The GCE Ordinary Level (known as the O-Level) was abolished in 1987 and replaced by the General Certificate of Secondary Education (GCSE). The change was made to create a national qualification for those who wanted to leave school at 16 without attempting A-levels or pursuing a university education.

    • @khattak223
      @khattak223 Před rokem

      @@maiseymiddleditch1576 helpp theres o levels in my country its called cie here so ion think its destroyed

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    thank you.....

  • @dandylime420
    @dandylime420 Před 3 lety +3

    nice

  • @user-dx6cf8lt4w
    @user-dx6cf8lt4w Před 3 měsíci

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  • @ronaldmcdonald8303
    @ronaldmcdonald8303 Před rokem

    From what I gather, acids are good at destroying hair, metals and some other organic materials, but don't work well of greases and fats, Alkaline don't damage metals but are brilliant at removing scum and fatty substances. Their chemical opposites, one takes an electron and one gives one. Hydrogen peroxide is simply water with an added oxygen atom! I've tried all sorts to unblock my drains, but nothing seems to work, should I get a bottle of pure H2O2?

  • @tezawr3963
    @tezawr3963 Před 2 lety +1

    Thanks

  • @gamer_ksa9517
    @gamer_ksa9517 Před 2 lety

    Thank u

  • @user-kq4fx1jx3h
    @user-kq4fx1jx3h Před 4 lety +7

    Epic

    • @Cognitoedu
      @Cognitoedu  Před 4 lety

      Thank you - really happy it was helpful!

  • @pamredgers6582
    @pamredgers6582 Před 3 lety +1

    good

  • @sendawu5794
    @sendawu5794 Před 2 lety +1

    Honestly I stopped understanding after 3:30 but then after countless rewinds I understood

  • @otalactea
    @otalactea Před 26 dny

    I love chem

  • @gear5312
    @gear5312 Před 3 lety

    Thank you?

  • @tamerzaghlol9461
    @tamerzaghlol9461 Před 3 měsíci

    What did u stop uploading videos?

    • @boat-guy3176
      @boat-guy3176 Před měsícem

      because he finished the content?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

  • @empiirean8563
    @empiirean8563 Před 2 měsíci

    what exam board are these videos for ??

    • @boat-guy3176
      @boat-guy3176 Před měsícem

      none of them silly git

    • @empiirean8563
      @empiirean8563 Před měsícem

      @@boat-guy3176 erm okay buddy 😬

    • @boat-guy3176
      @boat-guy3176 Před měsícem

      @@empiirean8563 your gonna fail 🙏

    • @empiirean8563
      @empiirean8563 Před měsícem

      @@boat-guy3176 thanks so much for your input !! this was so helpful ! 👍

    • @boat-guy3176
      @boat-guy3176 Před měsícem

      @@empiirean8563 no worries gang 🙏🏽

  • @sci-fun6320
    @sci-fun6320 Před 2 lety

    how did u edit
    pls
    i am like big viewer

  • @Ihateeveryyoutuber
    @Ihateeveryyoutuber Před 3 měsíci +1

  • @livewithcarsdaily
    @livewithcarsdaily Před 3 lety +1

    Umm I have a question