
Oksidi, kiseline i baze
Authored by Danijela Gligorić
Chemistry
7th Grade
Used 6+ times

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13 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
1. Označi formulu kiseline:
HCl
CO
NaOH
H2SO4
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
2. Označi formulu amonijum-hidroksida:
NaOH
NaCl
Al(OH)3
NH4OH
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
3. Označi tačno tvrđenje:
Baze su čvrste, lekovite supstance.
Baze su tečne, otrovne supstance
Baze su lekovite, gasovite supstance
Baze su čvrste, otrovne supstance
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
4. Baze ove sadrže:
vodonik
hidroksilnu grupu
kiselinski ostatak
amonijum jon
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
5. CaO je:
kalcijum-hidroksid
ugljenik(II)-oksid
kalcijum-oksid
kalcijum(II)-hidroksid
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
6. Fenolftalein je u rastvoru sode - bikarbone:
bez boje
ružičaste boje
crvene boje
žute boje
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
7. U sirćetu se plavi lakmus papir boji:
crveno
plavo
žuto
ljubičasto
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