
химические свойства оснований
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard

Ирина Родионова
Used 6+ times
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10 questions
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1.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Как узнать какие из оснований растворимы в воде, а какие нет? Из приведенного списка укажите нерастворимые основания
Ca(OH)2
Mg(OH)2
KOH
Al(OH)3
LiOH
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Из приведенного списка выберите щелочи
Ca(OH)2
NaOH
Cu(OH)2
Cr(OH)3
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
В результате реакции FeCl3 + NaOH образуется основание
NaCl
Fe(OH)2
Fe(OH)3
FeOH
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
в растворе щелочи лакмус имеет следующий цвет
красный
синий
фиолетовый
желтый
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
в результате взаимодействия по схеме CuSO4 + NaOH образуется основание
CuOH
NaSO4
CU(OH)2
Na2SO4
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
определите массовую долю железа в гидроксиде железа(3)
0,477
0,523
0,622
0,767
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
не растворяется в воде основание
LiOH
Ba(OH)2
Fe(OH)3
NaOH
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