Summary
Summary GCSE Chemistry: Acids and Bases
A summary of the different properties and reactions of acids and bases. These notes are based on Edexcel International but are applicable to any GCSE Chemistry syllabus.
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Acidso asubstancethat whendissolvedin waver willdissociateto produceanexcess hydrogen ait ions
of
o Ahydrogencan bedescribedas apro
vonthereforeanacidcanbedescribedas a morondonor
ostrongsubstances
funydissociateinwaterwhereasmeansubstancesonlyparriauydissociate
aconcentratedsubstancescontaincars
ofsaute perunitofsourceDivinesubstancescontaincarsofsaucerperunit
ofsom
acids
strong weakacids
Ha Hnos Hzsq H Po tecozCtecoom
Bases is
a
soapyandshipperytothetouch
sombrebasesareaurealis andau auaus are corrosive
owaner
An alkali is a subsnancethatwhendissowedin waterwilldissociatetoproduce an excess hydroxide Ott ion
of
o an ou ion canreachwirn an ti ionto produce thoCie in a neuerraeisationreaction
oan alkali
anybase canthereforebedescribedas apre
nonacceptor
orthesamerulesasour strong1weakand concentratedIdiunteshe
apply
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morning
omerciesneaar wirnoxygentoformmoraloxidesbasesmarae oxidesare norsomeonesoneveraqueous
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omenaes nearwimwanertoformmenaehydroxidesGeier
anyaueaus geneanysombreburtransitionmenae hydroxides
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oGroup4 isdifferent
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