Сложное вещество, имеющее состав - СаO, это:
Классы неогранических соединений

Quiz
•
Chemistry
•
8th Grade
•
Hard
Ekaterina_ A_
Used 17+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
кислотный оксид
основание
серная кислота
основный оксид
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Формула сернистой кислоты:
H2S
H2SO4
H2S3O8
Н2SO3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
К сложным веществам относится:
йод
графит
воздух
сода
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
К кислотным оксидам относится каждое из двух веществ:
CaO и SiO2
CO2 и N2O5
MgO и SO2
K2O и Na2O
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Фосфорной кислоте соответствует формула:
PH3
P2O5
Na3PO4
H3PO4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Вещество, формула которого Сr3S2 , имеет название:
сульфат хрома(II)
сульфит хрома(III)
сульфид хрома(III)
сульфид хрома(II)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Приведены формулы веществ: А — CuSO4 Б —CuO В — Cu(OH)2. Среди них к солям относят:
только А
А и В
только В
Б и В
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