prvi test Flashcards by petra lee

glukoza

C6H12O6

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saharoza

C12H22O11

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Octena kiselina

Ch3COOH

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metanol

CH3OH

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Etanol

C2H5OH

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aceton

CH3COCH3

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ugljicna kiselina

H2CO3

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natrijev karbonat

Na2CO3

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natrijev hidrokarbonat

NaHCO3

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kalcijev karbonat

CaCO3

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sumporna kiselina

H2SO4

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sumporasta kiselina

H2SO3

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sumporasta kiselina

H2SO4

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natrijev sulfat

Na2SO4

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magnezijev sulfat

MgSO4

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dusicna kiselina

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HNO3

srebrov nitrat

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AgNO3

forforma kiselina

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H3PO4

natrijev fosfat

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Na3PO4

nabroji neke primjere homogenih i heterogenih tvari

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homogene : otopine soli, modre galice, secera u vodi..
heterogene : krv, magla, pijesak, sljunak…

koji simboli su na piktogramima : nadrazujuce, zapaljivo, stetno za zdravlje, otrovno i plin na visokom tlaku

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nadrazujuce - usklicnik
zapaljivo - vatra
stetno za zdravlje - covjek s rupom u sebi
otrovno : lubanja
plin pod visokim tlakom : boca

prvi test Flashcards

(21 cards)