CHEMISTRY PRACTICAL REVISION-INORGANIC QUALITATIVE ANALYSIS
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- Опубліковано 11 вер 2024
- THIS VIDEO EXPOSES STUDENTS TO A TYPICAL CHEMISTRY PRACTICAL QUESTION. THE STUDENTS ARE EXPECTED TO LEARN HOW TO HANDLE MAKE OBSERVATIONS AND MAKE DEDUCTIONS FROM OBSERVATIONS.
Thank you so much sir for this good channel of yours which I found very interesting. Truth be said' all your lessons are well elaborated n I have learnt a lot so far n I pray that God be with u and bless the good work that u r doing.. Keep it up
amen and welcome
I found your lesson on organic chemistry n that is when I began downloading almost all the videos in your channel..thanks in advance
Welcome!
Thanks you so much Y, you really help a lot.
Thank you so much for once I finally understood the topic😌
Most welcome 😊
thank you very much sir
Most welcome
Thank you for that precise lesson. Stay safe and be bless mwalimu.
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good lesson and easy to understand
GOOD WORK SIR
Teacher u are doing good
Nice job teacher
Keep on keeping on Tr. Kung'u.you are a great teacher. God bless
Very interesting
good lesson teacher
God bless you
Lead ions dissolves in excess sodium hydroxide but is insoluble in excess ammonia,only zinc ions devolves in excess ammonia
sure. no contradiction
Nice teaching sir
Watching on September 2024
Nice lesson👍👍👍👍
Thank you for the lesson.
Thank you so much ! Be blessed
good job
May God bless the work of your hands I have actually understood the topic
Amen
this was very insight
Instead of using Sodium hydrogen carbonate for confirmation of Al+3,why don't you use sodium sulphite or sulphate or chloride to distinguish aluminium ions from lead ion or KI which form a yellow ppt with lead.sodium hydrogen carbonate will confuse the student expecially where an organic compound is also given as it always in No 3 of chemistry paper 3,NaCl/NaSO3/NaSO4 form a white ppt with lead and a colourless solution with Al3+.
intention is not to give obvious question but to expose learners to other concepts. remember hydrolysis of some aluminium salts is examinable in chemistry theory .
You are good teacher for help us
Wow nice one
Thanks for watching
Thnks alot sir
Thanks sir you are the best
That's impressive
Thank you 🙏
You’re welcome 😊
Nice job
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2021 waec practical guide
Thank you very much may God bless you n your work.
Amen Alland
Good job sir.....in the 6th portion, can u say effervescence occurs too?
Yes
Thank you for this platform but i a question.
How do i write my observation if am given a mixture of substances basing on colour eg (green and white, brown and blue)
Also if i have a powder and crystals, how do i write my observation basing on texture
Green; Cu2+/Fe2+ Brown; Fe3+ ;Blue Cu2+
Further tests can be used to identify specific ions.
What i meant is that in the observation should i write that its a "white green substance" if am given a misture of white and green substance
Also if its a mixture of powder and crystals do i say "a powdery crystalline substance" or i choose one of the textures.
Thank you
@@buron4charlesug a rare scenario though write a green- white mixture. Or a mixture of crystalline and non crystalline substances
Clear
Sir in the fourth portion you added ammonia solution it didn't form a white precipitate it was colourless??
May be the camera didn't capture well however the ppt formed from ammonia and aluminium ions is faint.
I'm also getting confused on that🤔..... I never saw the white ppt it was just colorless
Hello sir very nice explanation, do you teach extra lessons in person I would really love u to start toTuitor me in science both physics and chemistry
Kindly send your WhatsApp number
@@Mr.Kunguchemistry your number sir
+254720697716
Also if i have a powder and crystals, how do i write my observation basing on texture
Please project the voice
lovely
Thanks alot
Welcome
Mwalimu what happens when you add dilute nitric(v) acid followed by lead(ii)nitrate?
Nitric acid eliminates carbonate ions (CO32-) and sulphite ions (SO3 2-).If a precipitate is formed on addition of lead ii nitrate with no fizzing on addition on nitric V acid the inference will be SO4 2-,Cl- ,Br- present . Can also add (CO32-,SO3 2- absent)
@@Mr.Kunguchemistry thank you sir
Mwalimu why have excluded lead ion from white ppt soluble in excess of NAOH
Initially we confirmed Sulphate present and asoluble salt present. Simply a soluble Sulphate. Lead Sulphate being insoluble is excluded
@@Mr.Kunguchemistry thanks sir
How is it observed ; I mean wetha soluble or insoluble in excess
The suspended particles(precipitate) dissolves and a clear solution is formed
Sir pls wat is the name of the salt K
aluminium sulphate
Help me with chem test paper 3plz
Pls do more
Noted Gemma
Sir is it distilled water or normal water
Strictly distilled water. Tap water may contain other ions
What salt was used in the process
aluminium sulphate was analysed
Teacher izt form 3 or form 4
Concepts in form 2,3 and 4
Sir here u added pd2nitrate so which one now is been precipitation?
A cation or anion because we have Pb2+ and NO3- what is now forming a white ppt in solution?
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2021 waec chemistry practical guide
think ur teacher plz but did ur have k.c.s.e exam am
This is a typical kcse question on inorganic qualitative analysis. I have demonstrated how to approach it. Hope I have answered your question
\(ϋ)/♩
Mary I don't get your question
It's just a mark which shows joy
Very nice
Thank you very much sir
Most welcome