
Химия 8 класс год
Authored by Anna Nazarova
Chemistry
8th Grade
Used 46+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Вещество с формулой KOH относится к классу веществ
основания
кислоты
оксиды
соли
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Вещество с формулой HNO3 относится к классу веществ
основания
кислоты
оксиды
соли
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Вещество с формулой CaCl2 относится к классу веществ
основания
кислоты
оксиды
соли
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Вещество с формулой CO2 относится к классу веществ
основания
кислоты
оксиды
соли
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Вещество с формулой относится SO3 к типу оксидов
основных
кислотных
амфотерных
несолеообразующих
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Реакция KCl+ AgNO3 = AgCl + KNO3 относится к реакциям
соединения
разложения
обмена
замещения
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Степень окисления фосфора в ортофосфорной кислоте (H3PO4) равна
-3
+3
+5
-5
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