
Основания
Authored by Ирина Родионова
Chemistry
8th Grade
Used 17+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Cu(OH)2 относится к классу
кислот
оксидов
солей
оснований
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Укажите формулу гидроксида калия
K2O
CaO
Ca(OH)2
KOH
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Формулы только оснований приведены в ряду
Na2CO3, NaOH, NaCl
KNO3, HNO3, KOH
KOH, Mg(OH)2, Cu(OH)2
HCl, BaCl2, Ba(OH)2
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Какое из приведенных ниже веществ является основанием
СuCl2
Fe(OH)2
Na2SO4
СаО
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Основание диссоциирует на
катионы металла и гидроксид анионы
катионы водорода и анионы кислотного остатка
катионы металла и анионы кислотного остатка
не подвергаются диссоциации
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Гидроксиду натрия соответствует формула
ZnO
Zn(OH)2
NaOH
Zn2O
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Формулы только щелочей записаны в ряду
NaОH, КОН, Fe(OH)2
Cu(OH)2, Al(OH)3, Zn(OH)2
NaOH, KOH, Ba(OH)2
FeO, CuO, SO3
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