Summary GCSE Chemistry: Acids and Bases

Acids

o 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



acidsandbases
morning

omerciesneaar wirnoxygentoformmoraloxidesbasesmarae oxidesare norsomeonesoneveraqueous
cand
hydrogens
omenaes nearwimwanertoformmenaehydroxidesGeier
anyaueaus geneanysombreburtransitionmenae hydroxides
ane iusautre
Non menusreactwithoxygento produce nonmenaioxidesTheseaissave in waketoproduceacids

oGroup4 isdifferent