Oxizii
Authored by Stela Burcovschi
Chemistry
8th Grade
Used 14+ times
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7 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Sunt oxizi bazici
Na2O
CaO
CO
Al2O3
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Sunt oxizi acizi.
SO2
SiO2
MgO
K2O
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Interacționează cu apa, formând acid.
SO3
CaO
P2O5
Na2O
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Interacționează cu apa, formând bază.
CaO
Na2O
P2O5
K2O
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
În urma interacțiunii se formează fosfat de calciu.
CaO + P2O5
Ca(OH)2 + P2O5
CO + P2O5
CaO + HF
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Se obține la oxidarea unui oxid inferior.
SO2
SO3
CO
CO2
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Se obține la descompunerea substanței CaCO3.
CaO
CO2
CuO
CO
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