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paper 1
chemical changes
electrolysis
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Subdecks (4)
electrolysis of aluminium oxide
chemistry > paper 1 > chemical changes > electrolysis
17 cards
electrolysis of aqueous solutions
chemistry > paper 1 > chemical changes > electrolysis
11 cards
electrolysis of metal ores
chemistry > paper 1 > chemical changes > electrolysis
7 cards
electrolysis of molten ionic compounds
chemistry > paper 1 > chemical changes > electrolysis
6 cards
Cards (47)
where is
electric current
passed through?
an elctrolyte
what is an
electrolyte
?
a
molten
or dissolved
ionic
compound (must be either as the ions need to be free to move)
what happens when the
ions
move towards the
electrode
?
the compound will
decompose
.
where will
positive
ions move to?
the
anode
(negative electrode and
gain
electrons as they are
reduced
)
where will the
negative
electrons move to?
the
cathode
(positive electrode and
lose
electrons as they are
oxidised
)
what does electrolysis
create
?
a flow of charge
which goes through the
electrolyte
as
ions
travel to the
electrode
See all 47 cards