
Tvari - podjela (čiste, smjese, maseni/volumni udio, pH)
Quiz
•
Chemistry
•
7th Grade
•
Medium

Željka Magdić
Used 20+ times
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13 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kisik je primjer:
kemijskog spoja
homogene smjese
heterogene smjese
elementarne tvari
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Popis elementarnih tvari možemo pronaći u:
bilježnici
periodnom sustavu elemenata
udžbeniku matematike
ne postoji
3.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Označi dvije točne tvrdnje za kemijski spoj:
nastaje kemijskom promjenom
nastaje fizikalnom promjenom
nastaje spajanjem elementarnih tvari
je smjesa tvari
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dim je primjer:
homogene smjese tvari
čiste tvari
heterogene smjese tvari
elementarne tvari
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Otopine su:
homogene smjese tvari
heterogene smjese tvari
elementarne tvari
kemijski spojevi
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Otopinu kuhinjske soli dobila sam miješanjem 1000 g alkohola i 200 g vode. Voda je u ovom slučaju:
otopljena tvar
otapalo
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Topljivost tvari najčešće raste(2 točna odgovora):
sniženjem temperature
povišenjem temperature
povećanjem mase otapala
smanjenjem mase otapala
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