Sloučeniny
8th Grade
•14 Qs
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Sloučeniny
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
Michala Jandíková
Used 2+ times
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14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Součástí potravin je tato sůl
Na Cl
Na F
Ca Cl2
Mg F2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
V žaludku se nachází
H F
H Cl
H2 SO4
H2 CO3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Který plyn je nejvíce nebezpečný (jedovatý)?
CO 2
CO
SO 2
Si O2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rubín a safír jsou sloučeniny
Ca
Fe
Si
Al
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
V jeskyních se nachází jezera plynu (proto tam nesmí malé děti)
C O
C O2
Ca O
S O2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
V pískovci se nachází
Si O2
C O2
Ca O
Ca (OH)2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Při nedokonalém hoření se uvolňuje
oxid uhelnatý
oxid uhličitý
oxid vápenatý
oxid siřičitý
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