Oksidai
9th Grade
•20 Qs
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Oksidai
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Hard
Aurelija Berantaite
Used 53+ times
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Oksidai - tai...
joniniai junginiai, kuriuose metalų jonai susijungę su vienu ar keliais hidroksido jonais
medžiaga, kurios vandeniniame tirpale yra vandenilio jonų
sudėtinės medžiagos, sudarytos iš dviejų elementų,iš kurių vienas yra deguonis
sudėtinės medžiagos, sudarytos iš dviejų elementų,iš kurių vienas yra vandenilis
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kuris iš užrašytų oksidų yra bazinis?
SO3
CO2
Na2O
P2O5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kuris iš užrašytų oksidų yra rūgštinis?
N2O5
CaO
BaO
Li2O
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koks deguonies oksidacijos laipsnis CaO okside?
+2
-1
+4
-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koks fosforo oksidacijos laipsnis okside P2O5 ?
-2
+3
+5
-5
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Kuris iš užrašytų oksidų atitiks NaOH hidroksidą?
NaO
Na2O
Na3O2
Na5O7
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Kuris iš užrašytų oksidų atitiks Fe(OH)3hidroksidą?
Fe3O2
FeO
Fe2O3
Fe5O3
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