koloidi 2

koloidi 2

9th - 12th Grade

10 Qs

quiz-placeholder

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koloidi 2

koloidi 2

Assessment

Quiz

Science

9th - 12th Grade

Practice Problem

Medium

Created by

Vladimir Božić

Used 3+ times

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10 questions

Show all answers

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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