
Кремниевая кислота
Authored by Алена Снейп
Chemistry
9th Grade
Used 7+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой оксид соответствует кремниевой кислоте?
SiO2
SiO
Si2O3
Si2O
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Силикаты-это соли какой кислоты?
HCL
H2SiO3
H2SO4
H2CO3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Кремниевую кислоту получают:
при взаимодействии оксида кремния с водой
при взаимодействии силиката с водой
при взаимодействии силиката и сильной кислоты
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Дополните реакцию:
Na2SiO3 + CO2 + H2O = X + Na2CO3
(выберите, что должно стоять на месте Х)
Н2SiO3
Si(OH)2
SiO2
HSiO3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Водный раствор, какого из данных соединений кремния называется силикатным клеем:
H2SiO3
MgSiO3
CaSiO3
Na2SiO3
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Взаимодействие каких веществ соответствует сокращенное ионное уравнение:
Ca2++SiO32-=CaSiO3↓
CaSiO3 и NaOH
Ca(OH)2 и Na2SiO3
Na2SiO3 и CaCl2
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Укажите растворимый(-е) силикат(-ы):
Na2SiO3
CaSiO3
K2SiO3
BaSiO3
ZnSiO3
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