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Тест по химии для 9 класса

Quiz
•
Chemistry
•
9th Grade
•
Hard
Сауле Байжигитова
Used 1+ times
FREE Resource
16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
протонов и нейтронов
ядра и вращающихся вокруг него нейтронов
протонов и электронов
ядра и вращающихся вокруг него электронов
нейтронов и электронов
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
К реакциям соединения относится:
2Cu + O2 2CuO
Cu(OH)2 + 2HCl CuCl2 + 2H2O
CuCO3 CuO + CO2
CuO + H2SO4 CuSO4 + H2O
CuSO4 + 2NaOH Cu(OH)2 + Na2SO4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Электронная конфигурация А1
…3s2
…3s2 3p6
…3 s23р1
…3s23р4
…4s2 4p1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Относительная молекулярная масса 95 будет у вещества
Al2O3
H2O2
BaO
H2O
MgС12
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
В схеме превращений CuO CuCl2Cu(OH)2 CuSO4 Cu3(PO4)2 с образованием осадка идет реакция
1, 3
2, 4
3
1
2, 3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Формула, соответствующая высшему оксиду элементов VI А группы:
R2O
RO
R2O3
RO3
RO2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Щелочноземельный металл:
литий
висмут
барий
молибден
алюминий
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