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chemistry
Acids and Bases
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Created by
Ellie Mae
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Cards (30)
Dilution is when you
add water
[
H20
] and the ph goes towards
7
Neutralisation
is when you
add
an
acid
and a
base
together
A
base
is an
alkali
that
dissolves
Ph measures the
concentration
of
H+
ions
H+
ions are
hydrogen
ions
OH-
ions are
hydroxide
ions
1-6 are
acidic
and has the colour
red
/
orange
7
is
neutral
and is the colour
green
8-14 is
alkaline
and is the colour
purple
/
blue
Acidic
more
H+
ions than
OH-
ions
Neutral equal amounts of
OH-
ions and
H+
ions
Alkaline more
OH-
ions than
H+
ions
sodium hydroxide =
NaOH
potassium hydroxide =
KOH
calcium hydroxide =
Ca[OH]2
hydraulic acid =
HCl
sulfuric acid =
H2SO4
nitric acid =
HNO3
metal + acid =
salt
+
hydrogen
metal oxide + acid =
salt
+
water
metal
hydroxide
+ acid = salt +
water
metal carbonate + acid =
salt
+
water
+
carbon dioxide
acid + base =
salt
+
water
ethanoic acid = ethanoate salt
sulfuric acid =
sulfate salt
nitric acid =
nitrate salt
hydraulic acid =
chloride
salt
non-metal
oxides
dissolve to give
acidic
solution
metal
oxides
dissolve to give an
alkaline
solution
insoluble
metal oxides have
no
effect on the ph