Disperzni sistemi
Quiz
•
Chemistry
•
1st - 9th Grade
•
Practice Problem
•
Hard
Jelena 1982
Used 27+ times
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15 questions
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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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