
Оксидтер
Authored by Айгерим Болатбеккызы
Chemistry
1st - 2nd Grade
Used 13+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Суда еритін оксид:
A) CaO
E) FeO
D) ZnO
C) CuO
B) Al2O3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Берілген сызбанүсқада Э ЭО2 Н2ЭО3 “Э”
элементі:
A) алюминий
E) кальций
D) фосфор
C) азот
B) күкірт
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Айырғанда оттек түзбейтін зат
A) NaNO3
E) HNO3
D) HgO
C) CaCO3
KMnO4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
KMnO 4 + H 2O + 2 SO 2 MnSO 4 + H 2S O4 + K 2S O4
берілген реакция сызбанұсқасындағы күкірт
оксидінің формуласының алдындағы
коэффициент
2
4
6
8
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Ӛзгерістер тізбегінде
CrO Cr2O3 CrO3
оттек массалық үлестерінің ӛзгеруі
A) 48% 31,6% 23,5%
E) 48% 25% 34%
D) 34% 52% 60%
C) 76,5% 68,4% 52%
B) 23,5% 31,6% 48%
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Қышқылдық оксид:
A) Германий (II) оксиді.
C) Кремний оксиді.
E) Қалайы (II) оксиді
D) Қорғасын (II) оксиді.
B) Галий (III) оксиді.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Амфотерлі оксид:
A) кремний оксиді.
E) бор оксиді
D) мыс (V) оксиді.
C) германий (IV)оксиді.
B) калий оксиді.
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