
Тест по теме «Основания»
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Medium
Дарья Киркевич
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17 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Основания - это
Сложные вещества, которые состоят из атомов водорода, способных замещаться на атомы металлов и кислотных остатков.
Сложные вещества, в состав которых входят атомы металлов, соединённые с одной или несколькими гидроксогруппами.
Сложные вещества, образованные атомами металлов и кислотными остатками.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Выберите ряд только оснований:
KOH, K2SO4, H2O, H2SO4
NaOH, LiOH, Fe(OH)3, Ca(OH)2
Ca(OH)2, AlCl3, HNO3, Ba(OH)2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Выберите ряд растворимых оснований:
LiOH, Fe(OH)2, KOH, Ba(OH)2
Cu(OH)2, NaOH, Fe(OH)3, Zn(OH)2
Ba(OH)2, KOH, LiOH, NaOH
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Щёлочи в лаборатории можно получить при:
Взаимодействии оксидов с водой.
Разложении нерастворимых оснований.
Взаимодействии активных металлов и их оксидов с водой.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Выберите ряд только нерастворимых оснований:
Al(OH)3, Zn(OH)2, Pb(OH)2, Fe(OH)3
NH4OH, Ba(OH)2, KOH, NaOH
Zn(OH)2, NH4OH, NaOH, Fe(OH)2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Укажите цвет лакмуса в щелочах:
малиновый
синий
красный
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Основную часть в строительном растворе составляет:
Fe(OH)3
КОН
Са(ОН)2
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