
Диагностическая работа по химии 8 класс
Quiz
•
Chemistry
•
8th Grade
•
Hard
Алиса Секонд
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18 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Единицей измерения химического количества вещества является:
грамм
моль
литр
моль/л
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Реакция разложения соответствует уравнению:
2H2 + O2 → 2H2O
CaCO3 → CaO + CO2
NaOH + HCl → NaCl + H2O
Zn + 2HCl → ZnCl2 + H2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Оксид, реагирующий и с кислотой, и с щёлочью, называется:
основным
кислотным
амфотерным
несолеобразующим
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Формула сернистой кислоты:
H2SO4
H2SO3
H2S
H2S2O3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какое из веществ является нерастворимым основанием?
NaOH
Cu(OH)2
KOH
Ba(OH)2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Формула карбоната кальция:
CaCl2
CaCO3
Ca(HCO3)2
Ca3(PO4)2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какое из веществ может реагировать и с кислотой, и с основанием?
Na2O
Al2O3
CO2
HCl
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