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Chemistry acids and bases
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Cards (29)
HCL
?
Hydrochloric acid
, it produces
fertelizers
H2SO4
sulfuric acid
, it produces detergents
NO3
Nitric acid
, used in production of
ammonium nitrate
What is the PH scale?
its shows
acid
or
alkali
substance
What is
dilution
?
It is adding water to make it less
concentrated
When a PH acid is diluted what happened?
It increases to
7
what happened to PH alkali when diluted
Decrease
to
7
Match heads contain what?
Small amount of
sulfur
What is a base
Base
neutralise
acid
What is the difference between base and alkali?
A base is
insoluble
while an alkali insoluble
What happens to oxide when in water?
It will dissolve to form an
acidic
solution
What happens to soluble metals when in water?
It dissolves to make an
alkali
solution
Acid turns what colour were universal indicator
Red
Alkali turns what colour of universal indicator
Purple
Neutral
turns, what colour of
universal indicator
?
Green
What can acid rain harm?
It can damage trees and it can make the
pH
too low for fish to survive
Name some
bases
Metal oxide
metal hydroxide
and
metal carbonate
Titrations
are what?
They are used to measure how much
alkali
is needed to neutralise
acid
accurately
What can happen if there’s too much acid in our diet?
We can lead to decay and
kidney stones
Tell me about carbon dioxide gas
Carbon dioxide gas can to form
carbonic acid
but is not one of the main gases to cause
acid rain
What happens when an acid in a metal oxide or metal hydroxide react together?
Water
and
salt
are formed
What is the test for sodium carbonate?
It turns
lime water
milky
What is the volume of acid called?
Titre
Burning fossil fuels release what?
Carbon dioxide
,
sulphur dioxide
and
nitrogen dioxide
into the air
Carbon dioxide is one of the main what?
Greenhouse gases and can affect
global
warm
The pH of water can only be affected by what?
The addition of
soluble substances
Titraition until you get what?
Concorded
results
Carbon dioxide is released into the atmosphere how?
Respiration and burning fossil fuels
Carbon dioxide is removed from the atmosphere
Photosynthesis
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