QA - Test for cations

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A production by Bedok Green Secondary School Science Department.

At the end of this video, students will be able to:

(a) describe the use of aqueous sodium hydroxide and aqueous ammonia to identify the following aqueous cations: aluminium (excluded in Sc(Chem) syllabu), ammonium, calcium, copper(II), iron(II), iron(III), lead(II) and zinc

Music used:
Costantino Carrara - A Sky Full of Stars
Francesco Parrino - Something Just Like This
Francesco Parrino - VIva La Vida

BGSS Science

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99.9% percent of the comments are lyrics 0.1 % are actually talking about how helpful the vid is 🤣😂

tim

Thank you for actually explaining what is expected when writing observations and conclusions.

boricuababyhuey

thank you so much for this, I have my A level chemistry practical exam tomorrow and this was very helpful

sehansadesilva

Still using this video in 2021....that was so good of you.

lovemorechifura

the best way of learning is through visualizing it. you helped us with exactly that :) thanks!

divyasrikeeran

Tmrw is my chemistry practical and AM here🥴

nabamchumpien

God. The music (viva la vida) is so good. But the video is useful for me thanksss

emilyl

Very clear, excellent work and I liked the music

gregorysavage

This is amazing. Only saw it this year but...
well done

ailliclaravatileni

Why am i seeing a lot of poetry masterpieces in a chem lab video in th comments section nevertheless great video. 😂😂

robertmarks

my homie bgss science.. whats popping g

parthibbhattacharya

Yeah
You are my fire
The one desire
Believe when I say
I want it that way
But we are two worlds apart
Can't reach to your heart
When you say
That I want it that way
Tell me why
Ain't nothin' but a heartache
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Ain't nothin' but a mistake
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I never want to hear you say
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Your one, desire
Yes I know, it's too late
But I want it that way
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Ain't nothin' but a heartache
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Ain't nothin' but a mistake
Tell me why,
I never want to hear you say
I want it that way
Now I can see that we've fallen apart
From the way that it used to be, yeah
No matter the distance
I want you to know
That deep down inside of me
You are my fire
The one desire
You are (you are, you are, you are)
Don't want to hear you say
Ain't nothin' but a heartache
Ain't nothin' but a mistake
(Don't want to hear you say)
I never want to hear you say
I want it that way
Tell me why
Ain't nothin' but a heartache
Tell me why
Ain't nothin' but a mistake
Tell me why
I never want to hear you say
I want it that way
Tell me why
Ain't nothin' but a heartache
Ain't nothin' but a mistake
Tell me why
I never want to hear you say
(Never want to hear you say it)
I want it that way
'Cause I want it that way

mathewwilliam

Zn and Aluminium is difficult to identify

tawhidchowdhury

Aisha my student said your video is very explanatory
Thanks for the upload

abidson

Thank God i got a lot of issues to recognise soluble and insoluble specially when the solution was grey colour ...

naomitamioka

Great video, but now I have to go watch Sing 2 to get that song out of my head. 🤣

kghlizw

yooo your music choice is so majestic :D

mantosh

Can these tests be made with rocks/minerals crushed to a powder?

dannygoesrockhunting

To the left
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To the left
Take it back now y'all
One hop this time
One hop this time
Right foot two stomps
Left foot two stomps
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Slide to the right
Criss cross
Criss cross
Cha cha real smooth
Let's go to work
To the left
Take it back now y'all
Two hops this time
Two hops this time
Right foot two stomps
Left foot two stomps
Hands on you knees, hands on your knees
Get funky with it
Oh yeah
Come on, cha cha now y'all
Turn it out
To the left
Take it back now y'all
Five hops this time
Right foot let's stomp
Left foot let's stomp
Right foot again
Left foot again
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Left foot let's stomp
Freeze
Everybody clap your hands
Come on y'all, check it out y'all
How low can you go?
Can you go down low?
All the way to the floor?
How low can you go?
Can you bring it to the top?
Like it never never stop?
Can you bring it to the top?
One hop
Right foot now
Left foot now y'all
Cha cha real smooth
Turn it out
To the left
Take it back now y'all
One hop this time
One hop this time
Reverse
Reverse
Slide to the left
Slide to the right
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Reverse, reverse
Cha cha now y'all
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Cha cha again
Turn it out
To the left
Take it back now y'all
Two hops, two hops
Two hops, two hops
Right foot let's stomp
Left foot let's stomp
Charlie brown
Hop it out now
Slide to the right
Slide to the left
Take it back now y'all
Cha cha now y'all
Turn it out
To the left
Take it back now y'all
Three hops this time
Right foot now
Left foot now y'all
Cha cha now
Turn it out
Be lookin' out for part three
It's gonna be comin' to you soon
But right now we gonna keep this groove
Here we go, to the right, to the right y'all
To the left
Take it back now y'all
Four hops this time
Right foot now
Left foot now
Cha cha now y'all
Cha cha again
Cha cha again
Turn it out
Take it back now, y'all
Right foot let's stomp
Left foot let's stomp
Six hops this time
Right foot let's stomp
Left foot let's stomp
Right foot two stomps
Left foot two stomps
Criss cross
Slide to the left
Slide to the right
Let me hear you clap your hands
Cha cha now
Cha cha again
Turn it out
To the left
Take it back now y'all
Two hops, two hops
Two hops, two hops
Right foot two stomps
Left foot two stomps
Hands on your knees, hands on your knees
Ah, yeah
Get funky with it, get down now y'all
Come on, come on, cha cha now y'all
Let's go to work
As I told you before
This is the Casper Slide part two
I am the originator of this slide
If anybody tell you any different
They're telling you dead wrong
So in the meantime, in between time
I'm outta here
Platinum, take 'em home
Ah yeah, mm hmm
Yeah, yeah, do that stuff, do it
Ah yeah, I'm outta here y'all
Peace (peace)

noahnirmal

Done very nicely this is helpful to show to students

self_learnscience

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