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C1.3 METALS
C1.3.1 (a) C1.3.1
An ore is a (e)
rock that Electro
contains lysis is
enough of using
a metal to electri
make it city to
economic break
ally worth down
extracting a
substa
nce
The
metals
form
positiv
e ions
which
are
attract
ed to
the
negati
ve…

Page 2

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n
dio
xid
e is
ma
de
by
bur
nin
g
fue
l to
ge
ner
ate
ele
ctri
cit
y

CARBON C1.3.1
(d)
Reducti
on is
the
proces
s in
which
oxyge
n is
remov
ed
from a
substa
nce
What
happe
ns
inside
a blast
furnac
e?
Iron…

Page 3

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iron
and
4%
carbon
Extracted
from their
ore by
reacting
Zinc them with
Iron carbon
Tin Because
Lead they are
Copper less
reactive
than
carbon

Silver C1.3.1
Gold (f)
Platinum Coppe
r can
be
extract
ed
from
its ore
by
Found pure smelti
in the ng (this
earth's crust is…

Page 4

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destro e we
ys are
habitat running
s out of
copper
eyesor
. We
e
can use
noise two
polluti metho
on ds:
CO2
from
traffic

Phyto Bioleaching
mining bacteria are grown on
pla low-grade ores
nts the metals build up
are inside them
gr special chemicals are
ow added…

Page 5

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d
fro
m
the
ash
es

Pros of Con
recycling s of
metals recy
it uses clin
less g
energy met
it als
saves
y
natural
o
resour
u
ces
(becau
h
se
a
there
v
is less
e
mining
)
t
less
o
waste
is
c
produc
o
ed…

Page 6

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y
o
u

h
a
v
e

t
o

t
r
a
n
s
p
o
r
t

t
h
e

m
e
t
a
l
s

t
o

t
h
e

r
e
c
y
c
l
i
n
g

p
l
a

Page 7

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n
t
y
o
u

h
a
v
e

t
o

e
x
t
r
a
c
t

t
h
e

m
e
t
a
l

f
r
o
m

t
h
e

o
b
j
e
c
t

C1.3.1 (i) C1.3.1
and (h)
C1.3.3 (c) It is
Aluminium possibl…

Page 8

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because iron to
they are displac
both e
low copper
densit becaus
y e
resista Iron is
more
nt to
reactiv
corrosi
e than
on copper
(extracted
using
Coppe
electrolysi
r +
s or
iron
displacem
copper
ent)
+ iron
They are
oxide
expensive
Oxide
to extract
because
uses a…

Page 9

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ble but
is still
strong
so it
can be
used
to
make
pipes
C1.3.2 (c) D C1.3.2 (b)
Pure i Mixing carbon
metals a with iron makes
such as g steel
iron , zinc, r Low carbon steel
lead, a contains iron with
copper, m 0.1% carbon
are too s…

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