
Hidroksidi i lužine
Authored by Jelena Bakač
Chemistry
8th Grade
Used 3+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koja od navedenih otopina pokazije lužnata svojstva?
vodena otopina nemetala
vodena otopina metala
vodena otopina hidroksida
vodena otoopina ugljikova dioksida
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kojim biste se indikatoroma koristili za dokazivanje lužine?
crvenim lakmusovim papirom i fenolftaleinom
plavim lakmusovim papirom i fenolftaleinom
crvenim lakmusovim papirom i metiloranžom
plavim lakmusovim papirom i metiloranžom
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koja je od navedenih otopina neutralna?
slana voda
limunada
vino
vapnena voda
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
U kojem su nizu sve tvari hidroksidi?
Ca(OH)2, NaOH, HCl
CO2, LiOH, H2O
LiOH, KOH, Ba(OH)2
Mg(OH)2, Ca(OH)2,NH3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koji od navedenih hidroksida ne postoji?
NH4OH
NaOH
LiOH
KOH
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koji od navedenih hidroksida ne može s vodom dati lužinu?
NaOH
Fe(OH)3
Ca(OH)2
Mg(OH)2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koja od navedenih tvari, ako se pomiješa s vodom, neće smanjiti pH vrijednost?
NH3
SO3
SO2
CO2
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