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Основания.
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
Татьяна Реброва
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12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Щелочи - это:
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Выберите ряд, в котором расположены только щелочи:
LiOH, Cu(OH)2, Ba(OH)2
Fe(OH)2, Mg(OH)2, KOH
Ca(OH)2, Zn(OH)2, NaOH
NaOH, KOH, Ba(OH)2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Общая формула оснований имеет вид:
Ме(ОН)2
Ме(ОН)n
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Укажите формулу гидроксида алюминия:
Al2O3
Al(OH)3
Al(OH)2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
В присутствии щелочей фенолфталеин изменяет свою окраску на:
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Назовите вещество Fe(OH)2:
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Выберите основания, в названии которых указывается валентность
NaOH
Fe(OH)2
CuOH
Ca(OH)2
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