Soustavy látek
Quiz
•
Chemistry
•
8th - 10th Grade
•
Medium
Miroslava Matusova
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Která z uvedených soustav je uzavřená?
Vyměňuje s okolím energii i hmotu.
Vyměňuje s okolím jenom hmotu.
Vyměňuje s okolím jenom energii.
S okolím nevyměňuje ani energii ani hmotu.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Soustava, která s okolím nevyměňuje energii ani hmotu se nazývá:
otevřená
uzavřená
izolovaná
neizolovaná
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mezi heterogenní směsi nepatří
emulze
suspenze
dým
roztok
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ropná skvrna v oceáně je:
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pitná voda je z chemiského hlediska:
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pěna je různorodá směs, ve které je rozptýlenou složkou:
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jednotlivé složky suspenze od sebe oddělíme metodou zvanou:
krystalizace
destilace
filtrace
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