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Unit C3
Topic 3 -- Chemical Detection
I
n t
h i
s t
opic
an al
yti
cal
chemistry
is
used to
ena bl
e you t
o widen
a nd
de epen your
experi
en ce
of
react
ion chemist
ry and
relat
ed
calcul
ati
on…

Page 2

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H+u
sing
a ci
d /base
indicat
ors and typi
cal
aci
d react
ions

Na +,
K +,
C a2+,
C u2+u
si
ng f
lame t
ests

Al ,
C3
a,
+
Cu,
Fe, F2
e,
+
NH
2+
4 u
s
2
i
n
+
g…

Page 3

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f
oll
owing
w ords
and phr
ases:
al
cohol
det
ergent immi sci
ble sol
vent al
kali
el
ectr
ode i on
s
u r
fact
ant a l
kali
me t
al el
ectr
olysi
s misci
ble t
ransi
ti
on met
al
c
a…

Page 4

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Alkali metals and their compounds
·
that al
k al
i
me tal
s are
s oft
and have comp ar
a t
ivel
y l
ow me l
ti
ng and
boil
ing
point
s
·
the reacti
on s
of
li
thium, sodi
um an d
po…

Page 5

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T he ans wer
w ould
b e
e x
p ected t
o
draw
on sci
enti
fi
c know ledge
to give r
e asons or
e xpl
ana ti
on s
for
the i
nforma ti
on or dat
a given.
Usuall
y 2 or
3…

Page 6

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Topic 3: Chemical detection


1 = I cannot do this 2 = I'm not sure 3 = I can do this

Learning outcome At the After I After I
start have have
studied revised

explain the importance of a reliable, 1 2 3 1 2 3 1 2 3…

Page 7

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explain how precipitation reactions can 1 2 3 1 2 3 1 2 3
form the basis of some tests for ions

describe the tests for hydrogen 1 2 3 1 2 3 1 2 3
(H+) ions using acid/base indicators
describe and explain the typical 1 2 3…

Page 8

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explain the importance of using the 1 2 3 1 2 3 1 2 3

correct formulae for elements and
compounds
describe chemical reactions using 1 2 3 1 2 3 1 2 3

balanced formulae equations
write ionic equations for the 1 2 3 1 2 3 1…

Page 9

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explain that to produce required 1 2 3 1 2 3 1 2 3
amounts of product, chemists must be
able to calculate how much reactant to
use

calculate the masses of substances 1 2 3 1 2 3 1 2 3
involved in reactions, given the relevant
equation…

Page 10

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Topic 4: Chemistry working for us


1 = I cannot do this 2 = I'm not sure 3 = I can do this

Learning outcome At the After I After I
start have have
studied revised

state the typical physical properties of 123 123 123
transition metals such as…

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