
Квиз по сере
Authored by Anna Studenikina
Chemistry
9th Grade
Used 6+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Какая группа в периодической таблице содержит серу?
Группа 4
Группа 1
Группа 6
Группа 2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Какие валентности может принимать сера в различных электронных конфигурациях?
II, IV, VI
III, V, VII
II, III, V
I, III, V
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Какая модификация серы является наиболее устойчивой?
Моноклинная сера
Пластическая сера
Ромбическая сера
Аморфная сера
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Как получают серу в промышленности?
Реакцией сульфида алюминия с водой
Слив растворов кислот
Растворением пирита
Из природного газа
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Какая реакция является качественной для определения сульфит-ионов?
Ca2SO3 + 2HCl = CaCl2 + H2O + SO2
CaSO3 + 2KOH = Ca(OH)2 + K2SO3
BaSO3 + 2HCl = BaCl2 + H2O + SO2
BaSO4 + HCl = BaCl2 + H2O + SO2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Какой продукт образуется при окислении серы серной кислотой?
CO2
H2S
H2O
SO2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Какой металл пассивируется концентрированной серной кислотой на холоде?
Золото
Цинк
Медь
Алюминий
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