
Основания
Authored by Евгения Наумкина
Chemistry
8th Grade
Used 19+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Щелочи - это:
растворимые в воде оксиды
нерастворимые в воде оксиды
растворимые в воде основания
нерастворимые в воде основания
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Назовите вещество Fe(OH)2:
гидроксид железа
гидроксид железа (III)
гидроксид железа (I)
гидроксид железа (II)
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Выберите ряд, в котором расположены только щелочи:
Fe(OH)2, Mg(OH)2, KOH
NaOH, KOH, Ba(OH)2
Ca(OH)2, Zn(OH)2, NaOH
LiOH, Cu(OH)2, Ba(OH)2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
В присутствии щелочей фенолфталеин изменяет свою окраску на:
желтую
фиолетовую
красную
малиновую
5.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
Щёлочь Ba(OH)2 реагирует с веществами формулы которых:
HCl
KCl
SO3
CaO
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Только формулы оснований записаны в ряду
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Какой оксид при взаимодействии с водой образует щелочь
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