Disperzni sistemi

Disperzni sistemi

1st - 9th Grade

15 Qs

quiz-placeholder

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Disperzni sistemi

Disperzni sistemi

Assessment

Quiz

Chemistry

1st - 9th Grade

Hard

Created by

Jelena 1982

Used 27+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Šta je disperzni sistem

je sistem u kojem su jedna ili dve supstance sjedinjene sa trećom

je heterogeno čista supstanca

je smeša u kojoj su jedna ili više supstanci raspršene u nekoj drugoj supstanci u obliku sitnih čestica

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Po veličini čestice rastvori se dele na

Prave, koloidne i grube rastvore

Prave, konične i mekane rastvore

pravilne, koloidne i grubo dispergovane rastvore

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Rastvor u kome je rastvorena manja količina supstance u datom rastvaraču, na datoj temperaturi je

Nezasićen rastvor

Zasićen rastvor

Presićen rastvor

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ako u vodenom rastvoru imamo 300 g vode i 200 g alkohola rastvarač je:

voda

alkohol

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Smeša vode i alkohola je:

koloidni-disperzni sistem

grubo-disperzni sistem

molekulsko-disperzni sistem

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Koliko iznosi masa kalijum-hidroksida (КOH) у 400 cm3 vodenog rastvora količinska koncentracije 2 mol/dm3 ?

22g

22,4g

44,8g

48,4g

7.

FILL IN THE BLANK QUESTION

3 mins • 1 pt

Izračunaj procentni sastav rastvora koji je nastao mešanjem 100 g 10% vodenog rastvora šećera i 100 g 20% vodenog rastvora šećera.

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