
Химические реакции и соединения
Quiz
•
English
•
11th Grade
•
Medium
Vino Vino
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53 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Укажите формулу основного оксида.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Дана схема превращения Р → А → С. Укажите вещество С.
Н3РО4
АL
РOH
H2PO3
BrO
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Выберите тип реакции, схема которой проведена ниже (PbO + H2).
Соединение
Разложение
Окисление
Нейтрализация
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Выберите из следующего перечня формулу кислоты.
NaOH
CaO
H₂O
NH₃
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Укажите схему реакции, в результате которой образуется гидроксид кальция.
Ca(OH)₂ + CO₂
CaCl₂ + NaOH
Ca + H₂O
CaO + CO₂
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Укажите из перечисленных реакций, характеризующие амфотерные оксиды.
Взаимодействие оксида с кислотой и основаниями
Взаимодействие только с кислотами
Взаимодействие с водой
Взаимодействие с кислородом
Взаимодействие с органическими веществами
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Из следующего перечня определите схему распределения электронов по уровням элемента хлора.
2,8,6
2,8,8
2,7,8
1,2,7
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