
ТИПЫ ХИМИЧЕСКИХ РЕАКЦИЙ 11 КЛАСС
Quiz
•
Chemistry
•
2nd - 5th Grade
•
Practice Problem
•
Hard
Сергей Мизин
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10 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Укажите схемы реакций соединения:
Fe(OH)3 → Fe2O3 + H2O
AgNO3 → Ag + NO2 + O2
SO2 + O2 → SO3
NO2 + O2 + H2O → HNO3
2.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Укажите схемы реакций, для проведения которых используется катализатор:
KOH + H2SO4 → K2SO4 + H2O
N2 + H2 → NH3
NH3 + O2 → NO + H2O
NH3 + O2 → N2 + H2O
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Выберите уравнения или схемы гетерогенных реакций:
CaO (т) + CO2 (г) = CaCO3 (т)
Na2CO3 (т) + 2HCl (ж) = 2NaCl (р) + H2O (ж) + CO2 (г)
FeS2 (т) + O2 (г) → Fe2O3 (т) + SO2 (г)
KOH (р-р) + HNO3 (р-р) = KNO3 (р-р) + H2O (ж)
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Отметьте уравнения или схемы экзотермических реакций:
N2 + H2 → NH3 + Q
SO2 + O2 → SO3+ Q
C + O2 = CO2 + 369 кДж
CaCO3 = CaO + CO2 -152 кДж
5.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Отметьте уравнения или схемы окислительно-восстановительных реакций:
Al + Cl2 → AlCl3
BaCO3 = BaO + CO2
H2O2 → H2O + O2
Cu + AgNO3 → Cu(NO3)2 + Ag
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Укажите уравнения или схемы необратимых реакций:
N2 + 3H2 ↔ 2NH3
Ba(OH)2 + H2SO4 = BaSO4↓ + 2H2O
NaOH + HCl = NaCl + H2O
SO2 + O2 ↔ SO3
7.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Какие из перечисленных реакций являются окислительно-восстановительными?
обжиг пирита
обжиг известняка
взаимодействие водных растворов сульфата натрия и хлорида бария
фотосинтез
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