
koloidi 2
Quiz
•
Science
•
9th - 12th Grade
•
Practice Problem
•
Medium
Vladimir Božić
Used 3+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Disperzna faza je supstanca:
Koja se disperguje u sistemu
U kojoj se disperguje
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Disperzni sistem se sastoji iz (dva tačna odgovora):
Supstance koja se disperguje - disperzna faza
Emulzije ulja u vodi
Supstance u kojoj se disperguje - disperzno sredstvo
Peska u ulju
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ako je disperzna faza tečnost, a disperzno sredstvo tečnost tada govorimo o:
Suspenziji
Emulziji
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na osnovu različitog uzajamnog dejstva između čestica disperzne faze i disperznog sredtva svi kolodni sistemi mogu se podeliti na:
Emulzije i suspenzije
Liofilne i liofobne
Prirodne i veštačke
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Posledica kretanja koloidnih čestica u disperznom sredstvu naziva se:
Hidrostatički pritisak
Osmotski pritisak
Površinski napon
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Karakteristika LIOFOBNIH koloida je da kolodne čestice ne vezuju na svom jonskom sloju molekule rastvarača
Tačno
Netačno
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koloidni rastvori mogu biti prirodni i veštački
Tačno
Netačno
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