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Chemistry

Atoms, Metals, Rocks & Fuel

Fuels From Crude Oil

Mo st
o f
t
h e c omp ou nds i
n cr ude oi
l
are
hydrocarbons.
T he
one s
in
h ydr
o car
b on s are alkanes.

A l
kan es
h ave t…

Page 2

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T hese
fr
acti
o ns ar
e
ma inl
y used as
fue ls
but do
h ave ot
he r
u ses.

H yd r
ocarbon s wi
th sma l
l
mo l
ecules ma ke
better
fuel
s t
h an
hydro c arbons wi
t…

Page 3

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Wh en i
t is
h eat
ed ,
i
t
breaks
do wn t
o
for
m calci
um o x ide
(quickl
ime )
and c ar
bon
d ioxi
de.

C al
c i
u m C arbon ate C alci
u m O xi
de +…

Page 4

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cement
­ heat
ing
w i
th
clay
in
a ki
ln
concr
ete
­ mix
ing
w i
th
san d,
water an d
crushed
rock
mort
ar ­
mixi
ng wi
th sand
an d
w at
e r


Glass
G l
ass
is
mad e
by melt…

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Transition metals
T hey
are
found
in t
h e
middl
e of
t
he
per
iodi
c t
abl
e.







Properties:
T hey ar
e me t
a ls
G ood
conduc to rs
o f
heat
an d el
e ctri
ci
ty
F or
m col
oured…

Page 6

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T hese me tal s have
ce r
tai
n prop erti
es w hi
ch ma kes
them usef
u l:

T h ey have a l
ow
den si
ty
T h ey have a ver
y thi
n l
ay er
of
th ei
r
oxides of…

Page 7

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c ontai
ns carbo n
an d
o t
h er i
mp u rit
ies.
S o
to ma ke i
t
mo re usef ul
b l
ast f ur
na ce
iron i
s convert
e d i
nto steel by re mo vi
ng some of…

Page 8

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4. Inner core ­ ma d e f
rom s oli
d ni
ckel
and i
ron


Plate Tectonics
T h e Earth'
s cr ust
and up pe r
pa r
t of
t h e man t
le
are b rok e n
u p
i nt
o…

Page 9

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The Early Atmosphere
T he
earl
y a tmo sph ere
w as p r
o ba bl
y f
orme d
fr
om the
g ases
given
o ut
by
v olcanoes. I t
is
b eli
ev ed that
th er e
w as
int
en se volca…

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Pl
ant
Oil
s And
Food
Addi
ti
ves

Vegetable oils
are nat
ural
oil
s f
ound
in
see ds,
nut
s and some
frui
ts.
Pressi
ng
a nd cr
ushi
ng the pl
ant
ma ter
ial
r
e l
eases t
h e
oil
.
S…

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