
Oksidai
Authored by Elvyra Ajauskaite
Chemistry
10th Grade
Used 15+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kas sudaro oksidus?
Visi periodinės_elementų_lentelės elementai
Tik metalai
Tik nemetalai
Visi cheminiai elementai, išskyrus He, Ne ir Ar
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Elementams reaguojant su deguonimi, gauname...
Rūgštis
Bazes
Oksidus
Vandenį
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oksidai tai
cheminiai junginiai, kurių molekulė turi grupę -O-O-
dviejų cheminių elementų junginys, kuomet vienas iš jų - deguonis.
junginiai, sudaryti iš metalo jonų ir vienos ar kelių OH- grupių.
bet koks cheminis junginys, kurį ištirpinus vandenyje tirpalo pH tampa mažesnis už 7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pagal savybes oksidai skirstomi į
Druskų nesudarantys, rūgštiniai, baziniai, amfoteriniai Peroksidai
Rūgštinius, bazinius, amfoterinius ir neutralius
Druskų nesudarantys, rūgštiniai, amfoteriniai Peroksidai
Rūgštinius, bazinius, amfoterinius ir indiferentinius.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rūgštiniai oksidai tai:
ZnO, Fe2O3, SnO, BeO, PbO,
Cr2O3, Al2O3, NO, NO2
CO2, P2O5 ,N2O5, SO2, SO3
Na2O, K2O.PbO2 ZnO
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Baziniai oksidai tai:
Na2O, CaO, MgO, K2O
CO,CO2,CaO,CuO,
N2O5, SO2, SO3 , ZnO
BeO, PbO, Cr2O3, Al2O3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
SO2 reaguoja su H2O ir sudaro :
SO2(d)+H2O(s) →H2SO5(aq)
SO2(d)+H2O(s) →H2S(aq)
SO2(d)+H2O(s) →H2SO4(aq)
SO2(d)+H2O(s) →H2SO3(aq)
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