Oksidai
12th Grade
•10 Qs
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Oksidai
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Hard
Lorenta Juškienė
Used 7+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kuriam oksidui būdingos stipriausios rūgštinės savybės?
SO2
SO3
P2O5
SeO2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kuriam oksidui būdingos stipriausios bazinės savybės?
Al2O3
SiO2
SeO2
In2O3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kurioje eilutėje metalų oksidai išdėstyti jų bazinių savybių stiprėjimo kryptimi?
MgO < CaO < BaO
BaO < MgO < CaO
MgO < BaO < CaO
BaO < CaO < MgO
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kuris oksidas reaguoja ir su druskos rūgštimi, ir su kalio šarmu?
CO
SO2
CuO
ZnO
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kuri iš nurodytų medžiagų nereaguoja su KOH tirpalu?
CuO
Al2O3
ZnO
SO3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kurioje eilutėje išvardyti visi oksidai reaguos su šarmais?
Na2O, CO2, Al2O3
SO3, CO2, Al2O3
ZnO, MgO, FeO
ZnO, Al2O3, CaO
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kurio oksido vandeniniame tirpale fenolftaleinas keičia spalvą?
SO3
CO2
ZnO
BaO
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