Otopine i udjeli

Otopine i udjeli

1st Grade

13 Qs

quiz-placeholder

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Otopine i udjeli

Otopine i udjeli

Assessment

Quiz

Chemistry

1st Grade

Medium

Created by

virtualna kemija

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13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Obzirom na pH-vrijednost otopine mogu biti

kisele, lužnate i neutralne

nezasićene, zasićene i prezasićene

guste i rijetke

crvene, žute, plave

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Otopina je lužnata ako joj je pH-vrijednost u rasponu

0-7

samo na 7

7-14

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Otopine su homogene smjese otopljene tvari i otapala

DA

NE

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Prikazanu formulu koristimo prilikom izračunavanja

masenog udjela

volumnog udjela

volumne koncentracije

masene koncentracije

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Otopina koja pri određenoj temperaturi ima najveću moguću količinu otopljene tvari naziva se:
NEZASIĆENA
ZASIĆENA
PREZASIĆENA

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Homogena smjesa je:
vodovodna voda
vegeta
destilirana voda
živa

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Suspenzija je:

heterogena smjesa

homogena smjesa

kemijski spoj

elementarna tvar

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