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aqueous solution
this is produced when a substance dissolves in water
14 cards·by miasophia
base
a metal oxide or hydroxide. E.g. copper oxide or calcium hydroxide. they can neutralise acids
aqueous solution
this is produced when a substance dissolves in water
alkali
a soluble hydroxide e.g. sodium hydroxide NaOH (aq). they contain hydroxide ions in
solution. e.g. NaOH -> Na+ + OH- . can neutralise acids.
acid
examples include hydrochloric - HCl ; nitric - HNO3 ; sulphuric - H2SO4. they produce hydrogen
ions in solution. e.g. HCl -> H+ + Cl-.
neutral
a substance which is neither acidic or alkaline e.g. a salt.
neutralisation
the reaction of an acid to make a salt.
state symbols
tells us the physical state that the substance normally exists in at room temperature and
pressure. normally symbols used are: s,l,aq or g.
sulphuric acid
a common lab acid. H2SO4
nitric acid
a common lab acid. HNO3
hydrochloric acid
a common lab acid. HCl
salt
a substance made by the neutralisation of an acid. HCl makes CHLORIDES. H2SO4 makes
SULPHATES. HNO3 makes NITRATES.
pH scale
shows us how acidic or alkaline a substance is. has a range of colours + numbers. is a measure of
hydrogen ion concentration, in solution.
soluble
a substance which does dissolve in the liquid (solvent)
insoluble
a substance which does not dissolve in the liquid (solvent)