
Oxidy SA
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
Silvie Andělová
Used 3+ times
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18 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Co to jsou oxidy?
Sloučeniny kyslíku
Směsi s kyslíkem
Různé prvky
Sloučeniny vodíku a kyslíku
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxid dusný neboli rajský plyn se používá
Ke sváření kovů
Jako uspávadlo
Jako lék na angínu
V dýchacích přístrojích
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxid uhličitý vzniká
Fotosyntézou
Neúplným spalováním organických látek
Pouze činností člověka
Dýcháním, hořením, rozkladem organických sloučenin
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxid hořečnatý má vzorec
CaO
NaO
MgO
KO
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxid křemičitý má vzorec
SiO2
SiO
KO2
KO
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxid bromičný má vzorec
OBr5
BrO5
Br2O5
Br5O5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxid sodný má vzorec
NaO
NaO2
Na2O2
Na2O
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