2.B - opakování

Quiz
•
Chemistry
•
9th - 12th Grade
•
Hard
sára buryšová
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jakého oxidačního čísla nabývá kyslík ve sloučeninách?
-I
+II
-II
+III
2.
DRAW QUESTION
3 mins • 1 pt
Nakreslete molekulu vody

3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Vodík má hustotu ------ než vzduch
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Molekula vody má tvar
lineární
lomený
cyklický
oktaedr
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Která z těchto bezkyslíkatých kyselin je nejsilnější?
HI
HCl
HBr
HF
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
3 atomovou molekulu kyslíku nazýváme
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Jak dostaneme kyslík ze vzduchu?
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