
Типы химических реакций
Presentation
•
Chemistry
•
8th Grade
•
Practice Problem
•
Medium
Сергей Мизин
Used 146+ times
FREE Resource
0 Slides • 10 Questions
1
Multiple Choice
Укажите реакцию разложения
CaO + CO2 = CaCO3
Zn + 2HCl = ZnCl2 + H2
4P + 5O2 = 2P2O5
2Fe(OH)3 = Fe2O3 + 3H2O
2
Multiple Choice
Li+X=Li2O
Вещество Х - это...
O2
H2
H2O
O
3
Multiple Choice
Mg(OH)2= H2O+X
Вещество Х - это...
H2O
MgO
Mg и O2
O2
4
Multiple Choice
Перепишите и уравняйте ?Zn +O2 = ?ZnO.
Какой коэффициент перед оксидом цинка?
нет коэффициента
2
3
4
5
Multiple Choice
Уравняй схему реакции: Al + Cl2 = AlCl3
Какой коэффициент ты поставил перед хлоридом алюминия?
нет коэффициента
2
3
4
6
Multiple Select
Укажите химические уравнения реакций соединения
CaO + CO2 = CaCO3
2Al + 6HCl = 2AlCl3 + 3H2↑
Zn + CuSO4 = ZnSO4 + Cu↓
4P + 5O2 = 2P2O5
7
Multiple Select
Укажите химические уравнения реакций замещения:
Zn + CuSO4 = ZnSO4 + Cu↓
4P + 5O2 = 2P2O5
2Al + 6HCl = 2AlCl3 + 3H2↑
CaO + CO2 = CaCO3
8
Multiple Choice
Какое уравнение соответствует реакции замещения?
2K + 2H2O = 2KOH + H2
2Al(OH)3 = Al2O3 + 3H2O
CH4 + 2O2 = CO2 + 2H2O
2KNO3 = 2KNO2 + O2
9
Multiple Choice
В реакциях обмена участвуют:
два сложных вещества
два простых вещества и одно сложное вещество
два простых вещества
одно простое вещество и одно сложное вещество
10
Multiple Choice
Сумма коэффициентов в реакциии
Al + Fe2O3 = Fe + Al2O3
равна
5
6
7
4
Укажите реакцию разложения
CaO + CO2 = CaCO3
Zn + 2HCl = ZnCl2 + H2
4P + 5O2 = 2P2O5
2Fe(OH)3 = Fe2O3 + 3H2O
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