Vlastnosti látek, směsi, hmotnostní zlomek
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Medium
Ivo Jedlička
Used 6+ times
FREE Resource
Enhance your content in a minute
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Označte chemický děj
drcení štěrku
sušení prádla
fotosyntéza
vypařování
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Který smysl v chemii nepoužíváme při pozorování vlastností látek?
zrak
sluch
čich
chuť
hmat
3.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
Sůl rozpuštěná ve vodě představuje směs
homogenní
heterogenní
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Co označuje tato značka CLP?
Hořlavé
Výbušné
Oxidující
Žíravé
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Který typ směsi nepatří mezi heterogenní?
pěna
suspenze
emulze
roztok
6.
FILL IN THE BLANK QUESTION
1 min • 5 pts
Kolik gramů rozpuštěné látky se nachází ve 250 gramech roztoku o koncentraci 0,2? (Napište pouze číslici)
7.
MULTIPLE SELECT QUESTION
45 sec • 5 pts
Kterou metodu můžeme nejlépe použit na oddělení suspenze?
filtrace
usazování
destilace
vypařování
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