
Виды химических реакций
Authored by Дарья Дарья
Chemistry
8th Grade
Used 1+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2Al+3Вr2=2AlВr3.
Введите названия процесса протекающего в реакции?
Соединение
Разложение
Замещение
Обмен
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Реакция 2Н2O + 2Na = 2NaОН + Н2↑ + Q относится к реакциям:
Разложения, эндотермическая
Замещение, экзотермическая
Присоединения, эндотермическая
Обмена, эндотермическая
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Реакция получения аммиака N2 + 3H2 ↔ 2NH3 является реакцией:
Замещения
Соединения
Окислительно-восстановительной
Обмена
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Реакция CaCO3 + CO2 + H2O = Ca(HCO3)2 является реакцией:
Обмена
Соединения
Разложения
Замещения
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Уравнения реакции разложения:
2KNO3 = 2KNO2 + O2
FeS + 2HCl = FeCl2 + H2S
CaO + SiO2 = CaSiO3
Fe2O3 + 2Al = Al2O3 + 2Fe
2KNO3 = 2KNO2 + O2
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